US Bridges

Greensburg Road over Speculation Creek

Good

Amite County, Mississippi · Sec 9 T 2N R 4E B · Structure no. SA0300000000067

Built
1959
66 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
1,500
2021 count
Owner
County
County Highway Agency

About this bridge

Greensburg Road over Speculation Creek is a concrete culvert carrying Greensburg Road over Speculation Creek in Amite County, Mississippi. It was built in 1959, so it is 66 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 1,500 vehicles a day, roughly 8% of them trucks, projected to reach 2,250 by 2043. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesGreensburg Road
CrossesSpeculation Creek
LocationSec 9 T 2N R 4E B
RouteCounty Highway 1181
Coordinates31.14892, -90.80628
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
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 rating102.2 US tons
Inventory rating61.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length30 ft (9.2 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 traffic1,500 (2021)
Projected traffic2,250 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Greensburg Road over Speculation Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Greensburg Road over Speculation 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 March 2023.

How much traffic does Greensburg Road over Speculation Creek carry?

About 1,500 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Greensburg Road over Speculation Creek?

The structure is 30 ft (9.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Greensburg Road over Speculation Creek?

It is owned by the County Highway Agency.