US Bridges

SH 37 over Blair Creek

Fair

Franklin County, Texas · 6.3 MI S of IH 30 · Structure no. 010810019001031

Built
1957
68 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
3,366
2023 count
Owner
State
State Highway Agency

About this bridge

SH 37 over Blair Creek is a concrete culvert carrying SH 37 over Blair Creek in Franklin County, Texas. It was built in 1957, so it is 68 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 6 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 3,366 vehicles a day, roughly 13% of them trucks, projected to reach 3,530 by 2033. The structure is 33 ft (10.1 m) long.

CarriesSH 37
CrossesBlair Creek
Location6.3 MI S of IH 30
RouteState Highway 37
StateTexas
Coordinates33.07388, -95.26758
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,366 (2023)
Projected traffic3,530 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Blair Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is SH 37 over Blair Creek 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 January 2025.

How much traffic does SH 37 over Blair Creek carry?

About 3,366 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SH 37 over Blair Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns SH 37 over Blair Creek?

It is owned by the State Highway Agency.