US Bridges

CO RD 31 over Santa Bogue CR

Fair

Washington County, Alabama · Siver Cross · Structure no. 012015

Built
1978
47 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
401 ft
1 main span
Daily traffic
855
2002 count
Owner
County
County Highway Agency

About this bridge

CO RD 31 over Santa Bogue CR is a steel stringer/multi-beam or girder carrying CO RD 31 over Santa Bogue CR in Washington County, Alabama. It was built in 1978, so it is 47 years old, younger 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 5 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 855 vehicles a day, roughly 5% of them trucks, projected to reach 1,050 by 2042. The structure is 401 ft (122.2 m) long and 26 ft wide. If it were closed, the detour would be 57.2 mi (92 km).

Location

Open in Google Maps
CarriesCO RD 31
CrossesSanta Bogue CR
LocationSiver Cross
RouteCounty Highway 31
CountyWashington County
StateAlabama
Coordinates31.66516, -88.15797
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1 (+10 approach)
Design loadH 15
Structure length401 ft (122.2 m)
Longest span60 ft (18.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic855 (2002)
Projected traffic1,050 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.2 mi (92 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 31 over Santa Bogue CR built?

It was built in 1978, making it 47 years old in 2025.

What condition is CO RD 31 over Santa Bogue CR 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 January 2024.

How much traffic does CO RD 31 over Santa Bogue CR carry?

About 855 vehicles per day (2002 count), of which roughly 5% are trucks.

How long is CO RD 31 over Santa Bogue CR?

The structure is 401 ft (122.2 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns CO RD 31 over Santa Bogue CR?

It is owned by the County Highway Agency.