US Bridges

IH 37 SB over Mustang Creek

Fair

Live Oak County, Texas · 1.4 MI NW of FM 534 · Structure no. 161490007402160

Built
1972
53 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
209 ft
5 main spans
Daily traffic
11,000
2019 count
Owner
State
State Highway Agency

About this bridge

IH 37 SB over Mustang Creek is a concrete stringer/multi-beam or girder carrying IH 37 SB over Mustang Creek in Live Oak County, Texas. It was built in 1972, so it is 53 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 11,000 vehicles a day, roughly 20% of them trucks, projected to reach 11,630 by 2033. The structure is 209 ft (63.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 37 SB
CrossesMustang Creek
Location1.4 MI NW of FM 534
RouteInterstate 37
CountyLive Oak County
StateTexas
Coordinates28.26166, -97.93063
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal 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

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length209 ft (63.7 m)
Longest span42 ft (12.8 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2019)
Projected traffic11,630 by 2033
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 37 SB over Mustang Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is IH 37 SB over Mustang 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 May 2024.

How much traffic does IH 37 SB over Mustang Creek carry?

About 11,000 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is IH 37 SB over Mustang Creek?

The structure is 209 ft (63.7 m) long with a longest span of 42 ft (12.8 m) and a deck 44 ft wide.

Who owns IH 37 SB over Mustang Creek?

It is owned by the State Highway Agency.