US Bridges

Wilmot Road over Swiftwater Bayou 0932

FairPosted for load

Washington County, Mississippi · Sec 30 T17N R 8W B · Structure no. SA7600000000205

Built
1966
59 years old, rebuilt 2021
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Wilmot Road over Swiftwater Bayou 0932 is a concrete channel beam carrying Wilmot Road over Swiftwater Bayou 0932 in Washington County, Mississippi. It was built in 1966 and reconstructed in 2021, so it is 59 years old, older than the Mississippi average of 38.9 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 8% of them trucks, projected to reach 70 by 2043. The structure is 76 ft (23.2 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesWilmot Road
CrossesSwiftwater Bayou 0932
LocationSec 30 T17N R 8W B
RouteCounty Highway 932
Coordinates33.29839, -90.97419
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks8%
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

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$950,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wilmot Road over Swiftwater Bayou 0932 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2021.

What condition is Wilmot Road over Swiftwater Bayou 0932 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 October 2023.

How much traffic does Wilmot Road over Swiftwater Bayou 0932 carry?

About 50 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Wilmot Road over Swiftwater Bayou 0932?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns Wilmot Road over Swiftwater Bayou 0932?

It is owned by the County Highway Agency.