US Bridges

IH 37 Efr over Salt Branch Creek

Good

Live Oak County, Texas · 0.3 MI S of FM 99 · Structure no. 161490007307224

Built
1978
47 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
165 ft
4 main spans
Daily traffic
100
2013 count
Owner
State
State Highway Agency

About this bridge

IH 37 Efr over Salt Branch Creek is a concrete stringer/multi-beam or girder carrying IH 37 Efr over Salt Branch Creek in Live Oak County, Texas. It was built in 1978, so it is 47 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 100 vehicles a day, roughly 13% of them trucks, projected to reach 140 by 2033. The structure is 165 ft (50.3 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesIH 37 Efr
CrossesSalt Branch Creek
Location0.3 MI S of FM 99
RouteInterstate 37
StateTexas
Coordinates28.65959, -98.25049
Functional classRural Major Collector

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length165 ft (50.3 m)
Longest span41 ft (12.5 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2013)
Projected traffic140 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$108,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 37 Efr over Salt Branch Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is IH 37 Efr over Salt Branch Creek 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 February 2024.

How much traffic does IH 37 Efr over Salt Branch Creek carry?

About 100 vehicles per day (2013 count), of which roughly 13% are trucks.

How long is IH 37 Efr over Salt Branch Creek?

The structure is 165 ft (50.3 m) long with a longest span of 41 ft (12.5 m) and a deck 28 ft wide.

Who owns IH 37 Efr over Salt Branch Creek?

It is owned by the State Highway Agency.