US Bridges

Hilborn-Aultman RD over Branch of Bowie Creek

Good

Covington County, Mississippi · Sec 19 T 6N R15W B · Structure no. SA1600000000009

Built
1985
40 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

Hilborn-Aultman RD over Branch of Bowie Creek is a prestressed concrete stringer/multi-beam or girder carrying Hilborn-Aultman RD over Branch of Bowie Creek in Covington County, Mississippi. It was built in 1985, so it is 40 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 60 vehicles a day, projected to reach 90 by 2044. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHilborn-Aultman RD
CrossesBranch of Bowie Creek
LocationSec 19 T 6N R15W B
RouteCounty Highway 147
Coordinates31.46385, -89.53375
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.7 US tons
Inventory rating31.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic90 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Hilborn-Aultman RD over Branch of Bowie Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Hilborn-Aultman RD over Branch of Bowie 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 November 2024.

How much traffic does Hilborn-Aultman RD over Branch of Bowie Creek carry?

About 60 vehicles per day (2024 count).

How long is Hilborn-Aultman RD over Branch of Bowie Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Hilborn-Aultman RD over Branch of Bowie Creek?

It is owned by the County Highway Agency.