US Bridges

SR 15 over W Prong Muddy Creek

Good

Tippah County, Mississippi · 7.7 MI N SR 4 · Structure no. 310001507032260

Built
1973
52 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
47 ft
2 main spans
Daily traffic
6,400
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over W Prong Muddy Creek is a concrete culvert carrying SR 15 over W Prong Muddy Creek in Tippah County, Mississippi. It was built in 1973, so it is 52 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 6,400 vehicles a day, roughly 9% of them trucks, projected to reach 6,600 by 2043. The structure is 47 ft (14.4 m) long. If it were closed, the detour would be 29.2 mi (47 km).

CarriesSR 15
CrossesW Prong Muddy Creek
Location7.7 MI N SR 4
RouteState Highway 15
Coordinates34.83461, -88.93851
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length47 ft (14.4 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2023)
Projected traffic6,600 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 15 over W Prong Muddy Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is SR 15 over W Prong Muddy 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 September 2023.

How much traffic does SR 15 over W Prong Muddy Creek carry?

About 6,400 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 15 over W Prong Muddy Creek?

The structure is 47 ft (14.4 m) long with a longest span of 20 ft (6.1 m).

Who owns SR 15 over W Prong Muddy Creek?

It is owned by the State Highway Agency.