US Bridges

LA1208-1 over Hynson Bayou

Good

Rapides Parish, Louisiana · 3.45 Mi. E of US71 · Structure no. 084000000080176

Built
1994
31 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
4,442
2021 count
Owner
State
State Highway Agency

About this bridge

LA1208-1 over Hynson Bayou is a concrete culvert carrying LA1208-1 over Hynson Bayou in Rapides Parish, Louisiana. It was built in 1994, so it is 31 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 4,442 vehicles a day, roughly 8% of them trucks, projected to reach 4,886 by 2041. The structure is 32 ft (9.8 m) long and 60 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLA1208-1
CrossesHynson Bayou
Location3.45 Mi. E of US71
RouteState Highway 1208
Coordinates31.27908, -92.4331
Functional classUrban Collector

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width60 ft (18.3 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,442 (2021)
Projected traffic4,886 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$205,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1208-1 over Hynson Bayou built?

It was built in 1994, making it 31 years old in 2025.

What condition is LA1208-1 over Hynson Bayou 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 June 2024.

How much traffic does LA1208-1 over Hynson Bayou carry?

About 4,442 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA1208-1 over Hynson Bayou?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 60 ft wide.

Who owns LA1208-1 over Hynson Bayou?

It is owned by the State Highway Agency.