US Bridges

SR 540 over Oakahay Creek

Fair

Smith County, Mississippi · 3.3 MI W SR 35 · Structure no. 310054006500500

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
140 ft
1 main span
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 540 over Oakahay Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 540 over Oakahay Creek in Smith County, Mississippi. It was built in 1968, so it is 57 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 1,300 vehicles a day, roughly 11% of them trucks, projected to reach 1,300 by 2043. The structure is 140 ft (42.7 m) long and 33 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesSR 540
CrossesOakahay Creek
Location3.3 MI W SR 35
RouteState Highway 540
Coordinates32.01357, -89.57417
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,300 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 km)
TollOn a free road
National Highway SystemNo

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 SR 540 over Oakahay Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR 540 over Oakahay 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 August 2023.

How much traffic does SR 540 over Oakahay Creek carry?

About 1,300 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 540 over Oakahay Creek?

The structure is 140 ft (42.7 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns SR 540 over Oakahay Creek?

It is owned by the State Highway Agency.