US Bridges

Prater Road over RR I-10

Poor

Calcasieu Parish, Louisiana · 0.9 MI S of US 90 · Structure no. 071004509124511

Built
1962
63 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
790 ft
5 main spans
Daily traffic
3,766
2022 count
Owner
State
State Highway Agency

About this bridge

Prater Road over RR I-10 is a steel stringer/multi-beam or girder carrying Prater Road over RR I-10 in Calcasieu Parish, Louisiana. It was built in 1962, so it is 63 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,766 vehicles a day, projected to reach 4,142 by 2042. The structure is 790 ft (240.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPrater Road
CrossesRR I-10
Location0.9 MI S of US 90
RouteCounty Highway 0
Coordinates30.22337, -93.30853
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5 (+9 approach)
Design loadHS 20
Structure length790 ft (240.8 m)
Longest span95 ft (29 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,766 (2022)
Projected traffic4,142 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Prater Road over RR I-10 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Prater Road over RR I-10 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Prater Road over RR I-10 carry?

About 3,766 vehicles per day (2022 count).

How long is Prater Road over RR I-10?

The structure is 790 ft (240.8 m) long with a longest span of 95 ft (29 m) and a deck 33 ft wide.

Who owns Prater Road over RR I-10?

It is owned by the State Highway Agency.