US Bridges

Harrisvlle-Braxton over Big Creek

Fair

Simpson County, Mississippi · Sec 24 T 2N R 2E B · Structure no. SA6400000000059

Built
1980
45 years old, rebuilt 2023
Condition
Fair
inspected November 2024
Type
Channel Beam
Concrete
Length
126 ft
6 main spans
Daily traffic
510
2022 count
Owner
County
County Highway Agency

About this bridge

Harrisvlle-Braxton over Big Creek is a concrete channel beam carrying Harrisvlle-Braxton over Big Creek in Simpson County, Mississippi. It was built in 1980 and reconstructed in 2023, so it is 45 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 510 vehicles a day, roughly 8% of them trucks, projected to reach 765 by 2042. The structure is 126 ft (38.4 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHarrisvlle-Braxton
CrossesBig Creek
LocationSec 24 T 2N R 2E B
RouteCounty Highway 320
Coordinates31.99106, -90.05417
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 alignment6: Equal to present minimum criteria
Operating rating62.2 US tons
Inventory rating37.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length126 ft (38.4 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2022)
Projected traffic765 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$314,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Harrisvlle-Braxton over Big Creek built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2023.

What condition is Harrisvlle-Braxton over Big 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 November 2024.

How much traffic does Harrisvlle-Braxton over Big Creek carry?

About 510 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Harrisvlle-Braxton over Big Creek?

The structure is 126 ft (38.4 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Harrisvlle-Braxton over Big Creek?

It is owned by the County Highway Agency.