US Bridges

SR 15 over Tchoutacabouffa River

Fair

Harrison County, Mississippi · 0.5 MI N I 10 · Structure no. 31000150240046A

Built
1977
48 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
870 ft
5 main spans
Daily traffic
10,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Tchoutacabouffa River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 15 over Tchoutacabouffa River in Harrison County, Mississippi. It was built in 1977, so it is 48 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 6 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 10,500 vehicles a day, roughly 5% of them trucks, projected to reach 10,500 by 2043. The structure is 870 ft (265.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 15
CrossesTchoutacabouffa River
Location0.5 MI N I 10
RouteState Highway 15
Coordinates30.46095, -88.90142
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+10 approach)
Design loadHS 20
Structure length870 ft (265.2 m)
Longest span110 ft (33.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2023)
Projected traffic10,500 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Tchoutacabouffa River built?

It was built in 1977, making it 48 years old in 2025.

What condition is SR 15 over Tchoutacabouffa River 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 June 2023.

How much traffic does SR 15 over Tchoutacabouffa River carry?

About 10,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 15 over Tchoutacabouffa River?

The structure is 870 ft (265.2 m) long with a longest span of 110 ft (33.5 m) and a deck 43 ft wide.

Who owns SR 15 over Tchoutacabouffa River?

It is owned by the State Highway Agency.