US Bridges

I 55 over Chestnut Creek

Fair

Lincoln County, Mississippi · 2.2 MI S US 84 · Structure no. 11000550430352B

Built
1966
59 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
10,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Chestnut Creek is a concrete culvert carrying I 55 over Chestnut Creek in Lincoln County, Mississippi. It was built in 1966, so it is 59 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 23% of them trucks, projected to reach 13,500 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesChestnut Creek
Location2.2 MI S US 84
RouteInterstate 55
Coordinates31.50896, -90.47823
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating78.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length30 ft (9.1 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 traffic10,500 (2023)
Projected traffic13,500 by 2043
Trucks23%
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 Chestnut Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is I 55 over Chestnut Creek 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 January 2025.

How much traffic does I 55 over Chestnut Creek carry?

About 10,500 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I 55 over Chestnut Creek?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m).

Who owns I 55 over Chestnut Creek?

It is owned by the State Highway Agency.