US Bridges

Chrisman Mill over Crab Creek

Fair

Montgomery County, Virginia · 0090660 0140662 · Structure no. 000000000022528

Built
1985
40 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
89
1989 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Chrisman Mill over Crab Creek is a concrete culvert carrying Chrisman Mill over Crab Creek in Montgomery County, Virginia. It was built in 1985, so it is 40 years old, younger 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 89 vehicles a day, projected to reach 178 by 2042. The structure is 36 ft (11 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesChrisman Mill
CrossesCrab Creek
Location0090660 0140662
RouteCity Street 661
Coordinates37.14812, -80.44871
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length36 ft (11 m)
Longest span10 ft (3 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89 (1989)
Projected traffic178 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Chrisman Mill over Crab Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Chrisman Mill over Crab Creek 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 February 2023.

How much traffic does Chrisman Mill over Crab Creek carry?

About 89 vehicles per day (1989 count).

How long is Chrisman Mill over Crab Creek?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m) and a deck 16 ft wide.

Who owns Chrisman Mill over Crab Creek?

It is owned by the Town or Township Highway Agency.