US Bridges

Sam Wood Road over Dunbar Creek

Fair

Washington County, Alabama · 1.5 MI No. Millry · Structure no. 006947

Built
1961
64 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
150
1992 count
Owner
County
County Highway Agency

About this bridge

Sam Wood Road over Dunbar Creek is a concrete culvert carrying Sam Wood Road over Dunbar Creek in Washington County, Alabama. It was built in 1961, so it is 64 years old, older than the Alabama average of 51.1 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 250 by 2034. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 36 mi (58 km).

CarriesSam Wood Road
CrossesDunbar Creek
Location1.5 MI No. Millry
RouteCounty Highway 0
StateAlabama
Coordinates31.65687, -88.31379
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length44 ft (13.4 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 traffic150 (1992)
Projected traffic250 by 2034
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$383,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sam Wood Road over Dunbar Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Sam Wood Road over Dunbar 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 December 2023.

How much traffic does Sam Wood Road over Dunbar Creek carry?

About 150 vehicles per day (1992 count), of which roughly 10% are trucks.

How long is Sam Wood Road over Dunbar Creek?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m).

Who owns Sam Wood Road over Dunbar Creek?

It is owned by the County Highway Agency.