US Bridges

Old Colchester Rd. over Pohick Creek

Good

Fairfax County, Virginia · 0.90FR1 / 0.90TO242 · Structure no. 000000000031554

Built
2021
4 years old
Condition
Good
inspected July 2023
Type
Truss - Deck
Steel
Length
81 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 truss - deck carrying Old Colchester Rd. over Pohick Creek in Fairfax County, Virginia. It was built in 2021, so it is 4 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: open, temporary structure in place while original is closed.

It carries about 2,323 vehicles a day, roughly 2% of them trucks, projected to reach 3,392 by 2045. The structure is 81 ft (24.7 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesOld Colchester Rd.
CrossesPohick Creek
Location0.90FR1 / 0.90TO242
RouteCounty Highway 611
CountyFairfax County
StateVirginia
Coordinates38.69827, -77.20137
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, temporary structure in place while original is closed
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckSteel plate
Main spans1
Design loadHL 93
Structure length81 ft (24.7 m)
Longest span69 ft (21 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,323 (2022)
Projected traffic3,392 by 2045
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 2021, making it 4 years old in 2025.

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

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

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 81 ft (24.7 m) long with a longest span of 69 ft (21 m) and a deck 24 ft wide.

Who owns Old Colchester Rd. over Pohick Creek?

It is owned by the State Highway Agency.