US Bridges

I 55 over Martins Creek

Good

Grenada County, Mississippi · 2.1 MI N SR 7 · Structure no. 110005502220790

Built
1965
60 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
43 ft
2 main spans
Daily traffic
19,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Martins Creek is a concrete culvert carrying I 55 over Martins Creek in Grenada County, Mississippi. It was built in 1965, so it is 60 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 19,000 vehicles a day, roughly 30% of them trucks, projected to reach 22,000 by 2043. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesMartins Creek
Location2.1 MI N SR 7
RouteInterstate 55
Coordinates33.81602, -89.83922
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2023)
Projected traffic22,000 by 2043
Trucks30%
Lanes on structure6
Traffic directionTwo-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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$357 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 55 over Martins Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 55 over Martins 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 I 55 over Martins Creek carry?

About 19,000 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is I 55 over Martins Creek?

The structure is 43 ft (13.1 m) long with a longest span of 14 ft (4.3 m).

Who owns I 55 over Martins Creek?

It is owned by the State Highway Agency.