US Bridges

Old HWY 24 over Big Black Creek

Good

Lamar County, Mississippi · Sec 27 T 4N R15W B · Structure no. SA3700000000096

Built
1993
32 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
480 ft
1 main span
Daily traffic
350
2024 count
Owner
County
County Highway Agency

About this bridge

Old HWY 24 over Big Black Creek is a prestressed concrete stringer/multi-beam or girder carrying Old HWY 24 over Big Black Creek in Lamar 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2046. The structure is 480 ft (146.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld HWY 24
CrossesBig Black Creek
LocationSec 27 T 4N R15W B
RouteCounty Highway 277
Coordinates31.27528, -89.49002
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.7 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadHS 20
Structure length480 ft (146.3 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2024)
Projected traffic400 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Old HWY 24 over Big Black Creek built?

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

What condition is Old HWY 24 over Big Black 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 January 2024.

How much traffic does Old HWY 24 over Big Black Creek carry?

About 350 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Old HWY 24 over Big Black Creek?

The structure is 480 ft (146.3 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns Old HWY 24 over Big Black Creek?

It is owned by the County Highway Agency.