US Bridges

SH 37 over Sulphur Riv Rel 1

Good

Franklin County, Texas · 1.4 MI N of FM 71 · Structure no. 010810018905043

Built
1973
52 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
480 ft
6 main spans
Daily traffic
1,699
2020 count
Owner
State
State Highway Agency

About this bridge

SH 37 over Sulphur Riv Rel 1 is a prestressed concrete stringer/multi-beam or girder carrying SH 37 over Sulphur Riv Rel 1 in Franklin County, Texas. It was built in 1973, so it is 52 years old, older than the Texas average of 44.4 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 1,699 vehicles a day, roughly 22% of them trucks, projected to reach 2,190 by 2033. The structure is 480 ft (146.3 m) long and 46 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesSH 37
CrossesSulphur Riv Rel 1
Location1.4 MI N of FM 71
RouteState Highway 37
CountyFranklin County
StateTexas
Coordinates33.361, -95.24324
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length480 ft (146.3 m)
Longest span80 ft (24.4 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,699 (2020)
Projected traffic2,190 by 2033
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed24.9 mi (40 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 Sulphur Riv Rel 1 built?

It was built in 1973, making it 52 years old in 2025.

What condition is SH 37 over Sulphur Riv Rel 1 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 January 2023.

How much traffic does SH 37 over Sulphur Riv Rel 1 carry?

About 1,699 vehicles per day (2020 count), of which roughly 22% are trucks.

How long is SH 37 over Sulphur Riv Rel 1?

The structure is 480 ft (146.3 m) long with a longest span of 80 ft (24.4 m) and a deck 46 ft wide.

Who owns SH 37 over Sulphur Riv Rel 1?

It is owned by the State Highway Agency.