US Bridges

SH 37 over Big Cypress Creek Slough

Fair

Franklin County, Texas · 9.5 MI S of IH 30 · Structure no. 010810019001033

Built
1957
68 years old, rebuilt 2018
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Concrete
Length
121 ft
4 main spans
Daily traffic
3,366
2023 count
Owner
State
State Highway Agency

About this bridge

SH 37 over Big Cypress Creek Slough is a concrete stringer/multi-beam or girder carrying SH 37 over Big Cypress Creek Slough in Franklin County, Texas. It was built in 1957 and reconstructed in 2018, 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 121 ft (36.9 m) long and 46 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSH 37
CrossesBig Cypress Creek Slough
Location9.5 MI S of IH 30
RouteState Highway 37
StateTexas
Coordinates33.02649, -95.26932
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length121 ft (36.9 m)
Longest span30 ft (9.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.5 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 closed8.1 mi (13 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 Big Cypress Creek Slough built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2018.

What condition is SH 37 over Big Cypress Creek Slough 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 Big Cypress Creek Slough carry?

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

How long is SH 37 over Big Cypress Creek Slough?

The structure is 121 ft (36.9 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.

Who owns SH 37 over Big Cypress Creek Slough?

It is owned by the State Highway Agency.