US Bridges

Flannigan Road over Carters Creek

Good

Walthall County, Mississippi · Sec 30 T 4N R10E B · Structure no. SA7400000000096

Built
1986
39 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
5 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Flannigan Road over Carters Creek is a prestressed concrete stringer/multi-beam or girder carrying Flannigan Road over Carters Creek in Walthall County, Mississippi. It was built in 1986, so it is 39 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 8% of them trucks, projected to reach 135 by 2046. The structure is 182 ft (55.5 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFlannigan Road
CrossesCarters Creek
LocationSec 30 T 4N R10E B
RouteCounty Highway 26
Coordinates31.28933, -90.23536
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.8 US tons
Inventory rating27.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length182 ft (55.5 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic135 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Flannigan Road over Carters Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Flannigan Road over Carters Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Flannigan Road over Carters Creek carry?

About 100 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Flannigan Road over Carters Creek?

The structure is 182 ft (55.5 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Flannigan Road over Carters Creek?

It is owned by the County Highway Agency.