US Bridges

Catharpin Road over Little Bull Run

Fair

Prince William County, Virginia · 01.00FR55/02.00TO704 · Structure no. 000000000014360

Built
1964
61 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
5,022
2022 count
Owner
State
State Highway Agency

About this bridge

Catharpin Road over Little Bull Run is a prestressed concrete slab carrying Catharpin Road over Little Bull Run in Prince William County, Virginia. It was built in 1964, so it is 61 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,022 vehicles a day, roughly 1% of them trucks, projected to reach 7,332 by 2045. The structure is 48 ft (14.6 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCatharpin Road
CrossesLittle Bull Run
Location01.00FR55/02.00TO704
RouteCounty Highway 676
Coordinates38.81486, -77.61016
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span48 ft (14.6 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,022 (2022)
Projected traffic7,332 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$250 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Catharpin Road over Little Bull Run built?

It was built in 1964, making it 61 years old in 2025.

What condition is Catharpin Road over Little Bull Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Catharpin Road over Little Bull Run carry?

About 5,022 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Catharpin Road over Little Bull Run?

The structure is 48 ft (14.6 m) long with a longest span of 48 ft (14.6 m) and a deck 27 ft wide.

Who owns Catharpin Road over Little Bull Run?

It is owned by the State Highway Agency.