US Bridges

US 278 over Fourmile Creek

Good

Lafayette County, Mississippi · 1.8 MI E SR 7 · Structure no. 31000060360789A

Built
1993
32 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
202 ft
5 main spans
Daily traffic
7,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 278 over Fourmile Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 278 over Fourmile Creek in Lafayette County, Mississippi. It was built in 1993, so it is 32 years old, younger 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 7,500 vehicles a day, roughly 10% of them trucks, projected to reach 7,500 by 2043. The structure is 202 ft (61.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 278
CrossesFourmile Creek
Location1.8 MI E SR 7
RouteU.S. Route 278
Coordinates34.35724, -89.47965
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2023)
Projected traffic7,500 by 2043
Trucks10%
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 US 278 over Fourmile Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 278 over Fourmile 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 May 2023.

How much traffic does US 278 over Fourmile Creek carry?

About 7,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 278 over Fourmile Creek?

The structure is 202 ft (61.6 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns US 278 over Fourmile Creek?

It is owned by the State Highway Agency.