US Bridges

SH 37 over White Oak Bayou

Fair

Red River County, Texas · 5.4 MI N of US 82 · Structure no. 011940018902029

Built
1940
85 years old, rebuilt 1967
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
3 main spans
Daily traffic
1,740
2020 count
Owner
State
State Highway Agency

About this bridge

SH 37 over White Oak Bayou is a steel stringer/multi-beam or girder carrying SH 37 over White Oak Bayou in Red River County, Texas. It was built in 1940 and reconstructed in 1967, so it is 85 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,740 vehicles a day, roughly 25% of them trucks, projected to reach 2,245 by 2040. The structure is 120 ft (36.6 m) long and 45 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesSH 37
CrossesWhite Oak Bayou
Location5.4 MI N of US 82
RouteState Highway 37
CountyRed River County
StateTexas
Coordinates33.68784, -95.05854
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,740 (2020)
Projected traffic2,245 by 2040
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 37 over White Oak Bayou built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1967.

What condition is SH 37 over White Oak Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does SH 37 over White Oak Bayou carry?

About 1,740 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is SH 37 over White Oak Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 45 ft wide.

Who owns SH 37 over White Oak Bayou?

It is owned by the State Highway Agency.