US Bridges

I 55 over Mt Plesant Creek

Good

Lincoln County, Mississippi · 3.4 MI N Pike Cl · Structure no. 11000550430273B

Built
1965
60 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
11,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Mt Plesant Creek is a concrete culvert carrying I 55 over Mt Plesant Creek in Lincoln 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 11,000 vehicles a day, roughly 28% of them trucks, projected to reach 14,500 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesMt Plesant Creek
Location3.4 MI N Pike Cl
RouteInterstate 55
Coordinates31.3939, -90.47917
Functional classRural 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 2025
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 rating84.3 US tons
Inventory rating50.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2023)
Projected traffic14,500 by 2043
Trucks28%
Lanes on structure20
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 55 over Mt Plesant Creek built?

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

What condition is I 55 over Mt Plesant 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 2025.

How much traffic does I 55 over Mt Plesant Creek carry?

About 11,000 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is I 55 over Mt Plesant Creek?

The structure is 31 ft (9.4 m) long with a longest span of 12 ft (3.7 m).

Who owns I 55 over Mt Plesant Creek?

It is owned by the State Highway Agency.