US Bridges

Swilley RD over Trib to Bahala Creek

FairPosted for load

Copiah County, Mississippi · Sec 28 T 9N R10E · Structure no. SA150000000A137

Built
2019
6 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
60
2015 count
Owner
County
County Highway Agency

About this bridge

Swilley RD over Trib to Bahala Creek is a concrete channel beam carrying Swilley RD over Trib to Bahala Creek in Copiah County, Mississippi. It was built in 2019, so it is 6 years old, younger 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 6 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 60 vehicles a day, projected to reach 120 by 2046. The structure is 57 ft (17.4 m) long and 24 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSwilley RD
CrossesTrib to Bahala Creek
LocationSec 28 T 9N R10E
RouteCounty Highway 11
CountyCopiah County
StateMississippi
Coordinates31.72908, -90.20525
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2015)
Projected traffic120 by 2046
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$171,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Swilley RD over Trib to Bahala Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Swilley RD over Trib to Bahala 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 November 2023.

How much traffic does Swilley RD over Trib to Bahala Creek carry?

About 60 vehicles per day (2015 count).

How long is Swilley RD over Trib to Bahala Creek?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns Swilley RD over Trib to Bahala Creek?

It is owned by the County Highway Agency.