US Bridges

SR 540 over Harper Creek

Good

Simpson County, Mississippi · 3.4 MI E SR 469 · Structure no. 310054006400340

Built
2006
19 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

SR 540 over Harper Creek is a concrete culvert carrying SR 540 over Harper Creek in Simpson County, Mississippi. It was built in 2006, so it is 19 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,100 vehicles a day, roughly 8% of them trucks, projected to reach 2,100 by 2043. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 540
CrossesHarper Creek
Location3.4 MI E SR 469
RouteState Highway 540
Coordinates31.96632, -90.02086
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating42.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.3 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 traffic2,100 (2023)
Projected traffic2,100 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Harper Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR 540 over Harper 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 April 2023.

How much traffic does SR 540 over Harper Creek carry?

About 2,100 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 540 over Harper Creek?

The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m).

Who owns SR 540 over Harper Creek?

It is owned by the State Highway Agency.