US Bridges

Carpenter ST over Hemphill Creek

Good

La Salle Parish, Louisiana · Log Mile 0.78 from 312 to · Structure no. 583031401920721

Built
2007
18 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
75
2005 count
Owner
County
County Highway Agency

About this bridge

Carpenter ST over Hemphill Creek is a concrete culvert carrying Carpenter ST over Hemphill Creek in La Salle Parish, Louisiana. It was built in 2007, so it is 18 years old, younger than the Louisiana average of 43 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 75 vehicles a day, projected to reach 82 by 2025. The structure is 28 ft (8.5 m) long and 44 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCarpenter ST
CrossesHemphill Creek
LocationLog Mile 0.78 from 312 to
RouteCounty Highway 0
Coordinates31.67181, -92.12064
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2005)
Projected traffic82 by 2025
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Carpenter ST over Hemphill Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Carpenter ST over Hemphill 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 July 2023.

How much traffic does Carpenter ST over Hemphill Creek carry?

About 75 vehicles per day (2005 count).

How long is Carpenter ST over Hemphill Creek?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m) and a deck 44 ft wide.

Who owns Carpenter ST over Hemphill Creek?

It is owned by the County Highway Agency.