US Bridges

IH 37 SB over Gamble Gully

Good

Live Oak County, Texas · 0.5 MI N of US 59 · Structure no. 161490007402145

Built
1975
50 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
200 ft
4 main spans
Daily traffic
17,020
2022 count
Owner
State
State Highway Agency

About this bridge

IH 37 SB over Gamble Gully is a prestressed concrete box beam or girders - multiple carrying IH 37 SB over Gamble Gully in Live Oak County, Texas. It was built in 1975, so it is 50 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 17,020 vehicles a day, roughly 24% of them trucks, projected to reach 23,828 by 2042. The structure is 200 ft (61 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 37 SB
CrossesGamble Gully
Location0.5 MI N of US 59
RouteInterstate 37
StateTexas
Coordinates28.34396, -98.03141
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length200 ft (61 m)
Longest span50 ft (15.2 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,020 (2022)
Projected traffic23,828 by 2042
Trucks24%
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 Gamble Gully built?

It was built in 1975, making it 50 years old in 2025.

What condition is IH 37 SB over Gamble Gully 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 April 2024.

How much traffic does IH 37 SB over Gamble Gully carry?

About 17,020 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is IH 37 SB over Gamble Gully?

The structure is 200 ft (61 m) long with a longest span of 50 ft (15.2 m) and a deck 44 ft wide.

Who owns IH 37 SB over Gamble Gully?

It is owned by the State Highway Agency.