US Bridges

I 10 over Wolf River

Good

Harrison County, Mississippi · 6.7 MI W US 49 · Structure no. 11000100240287B

Built
1969
56 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
632 ft
1 main span
Daily traffic
26,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 10 over Wolf River is a prestressed concrete stringer/multi-beam or girder carrying I 10 over Wolf River in Harrison County, Mississippi. It was built in 1969, so it is 56 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 26,500 vehicles a day, roughly 25% of them trucks, projected to reach 26,500 by 2043. The structure is 632 ft (192.6 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 10
CrossesWolf River
Location6.7 MI W US 49
RouteInterstate 10
Coordinates30.41458, -89.20379
Functional classUrban Principal Arterial - Interstate

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating71.2 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+11 approach)
Design loadHS 20 + Mod
Structure length632 ft (192.6 m)
Longest span82 ft (25 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,500 (2023)
Projected traffic26,500 by 2043
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I 10 over Wolf River built?

It was built in 1969, making it 56 years old in 2025.

What condition is I 10 over Wolf River 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 November 2023.

How much traffic does I 10 over Wolf River carry?

About 26,500 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is I 10 over Wolf River?

The structure is 632 ft (192.6 m) long with a longest span of 82 ft (25 m) and a deck 44 ft wide.

Who owns I 10 over Wolf River?

It is owned by the State Highway Agency.