US Bridges

Old Colchester Rd. over Pohick Creek

PoorClosed to traffic

Fairfax County, Virginia · 0.90FR1 / 0.90TO242 · Structure no. 000000000006673

Built
1950
75 years old, rebuilt 1992
Condition
Poor
inspected August 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
2,323
2022 count
Owner
State
State Highway Agency

About this bridge

Old Colchester Rd. over Pohick Creek is a steel stringer/multi-beam or girder carrying Old Colchester Rd. over Pohick Creek in Fairfax County, Virginia. It was built in 1950 and reconstructed in 1992, so it is 75 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 2,323 vehicles a day, roughly 2% of them trucks, projected to reach 3,392 by 2042. The structure is 54 ft (16.5 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOld Colchester Rd.
CrossesPohick Creek
Location0.90FR1 / 0.90TO242
RouteCounty Highway 611
Coordinates38.69817, -77.20139
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating9.1 US tons
Inventory rating5.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span49 ft (15 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,323 (2022)
Projected traffic3,392 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$352 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Colchester Rd. over Pohick Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1992.

What condition is Old Colchester Rd. over Pohick Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2022.

How much traffic does Old Colchester Rd. over Pohick Creek carry?

About 2,323 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Old Colchester Rd. over Pohick Creek?

The structure is 54 ft (16.5 m) long with a longest span of 49 ft (15 m) and a deck 25 ft wide.

Who owns Old Colchester Rd. over Pohick Creek?

It is owned by the State Highway Agency.