US Bridges

Old Colchester Rd. over Br of Pohick Creek

Good

Fairfax County, Virginia · 0.60 FR 642/1.20 to 1 · Structure no. 000000000024694

Built
1996
29 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
49 ft
4 main spans
Daily traffic
2,323
2022 count
Owner
State
State Highway Agency

About this bridge

Old Colchester Rd. over Br of Pohick Creek is a concrete culvert carrying Old Colchester Rd. over Br of Pohick Creek in Fairfax County, Virginia. It was built in 1996, so it is 29 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.

It carries about 2,323 vehicles a day, roughly 2% of them trucks, projected to reach 3,392 by 2045. The structure is 49 ft (14.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOld Colchester Rd.
CrossesBr of Pohick Creek
Location0.60 FR 642/1.20 to 1
RouteCounty Highway 611
Coordinates38.69504, -77.20287
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$79 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Colchester Rd. over Br of Pohick Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Old Colchester Rd. over Br of 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 February 2023.

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

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

How long is Old Colchester Rd. over Br of Pohick Creek?

The structure is 49 ft (14.9 m) long with a longest span of 10 ft (3 m).

Who owns Old Colchester Rd. over Br of Pohick Creek?

It is owned by the State Highway Agency.