US Bridges

Alderson RD over Trib. to Greer Creek

Good

Claiborne Parish, Louisiana · 2.5 Mi. E of HWY 9 · Structure no. 041432580924461

Built
1997
28 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
25
2019 count
Owner
County
County Highway Agency

About this bridge

Alderson RD over Trib. to Greer Creek is a concrete culvert carrying Alderson RD over Trib. to Greer Creek in Claiborne Parish, Louisiana. It was built in 1997, so it is 28 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 25 vehicles a day, projected to reach 27 by 2039. The structure is 23 ft (7 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAlderson RD
CrossesTrib. to Greer Creek
Location2.5 Mi. E of HWY 9
RouteCounty Highway 0
Coordinates32.96641, -92.74333
Functional classRural Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width45 ft (13.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2019)
Projected traffic27 by 2039
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Alderson RD over Trib. to Greer Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Alderson RD over Trib. to Greer 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 October 2023.

How much traffic does Alderson RD over Trib. to Greer Creek carry?

About 25 vehicles per day (2019 count).

How long is Alderson RD over Trib. to Greer Creek?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m) and a deck 45 ft wide.

Who owns Alderson RD over Trib. to Greer Creek?

It is owned by the County Highway Agency.