US Bridges

IH 37 NB over Hackberry Creek

Good

Live Oak County, Texas · 2.9 MI NW of SH 72 · Structure no. 161490007401176

Built
1980
45 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
170 ft
3 main spans
Daily traffic
9,430
2019 count
Owner
State
State Highway Agency

About this bridge

IH 37 NB over Hackberry Creek is a prestressed concrete stringer/multi-beam or girder carrying IH 37 NB over Hackberry Creek in Live Oak County, Texas. It was built in 1980, so it is 45 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 9,430 vehicles a day, roughly 20% of them trucks, projected to reach 9,930 by 2033. The structure is 170 ft (51.8 m) long and 40 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesIH 37 NB
CrossesHackberry Creek
Location2.9 MI NW of SH 72
RouteInterstate 37
StateTexas
Coordinates28.51857, -98.17821
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 adequacy9: Superior to present desirable 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 spans3
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span60 ft (18.3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,430 (2019)
Projected traffic9,930 by 2033
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 37 NB over Hackberry Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is IH 37 NB over Hackberry 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 NB over Hackberry Creek carry?

About 9,430 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is IH 37 NB over Hackberry Creek?

The structure is 170 ft (51.8 m) long with a longest span of 60 ft (18.3 m) and a deck 40 ft wide.

Who owns IH 37 NB over Hackberry Creek?

It is owned by the State Highway Agency.