US Bridges

IH 37 over Smith Hollow

Good

Live Oak County, Texas · 0.7 MI N of FM 2049 · Structure no. 161490007307216

Built
1978
47 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
23,005
2020 count
Owner
State
State Highway Agency

About this bridge

IH 37 over Smith Hollow is a concrete culvert carrying IH 37 over Smith Hollow 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 23,005 vehicles a day, roughly 31% of them trucks, projected to reach 34,740 by 2033. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIH 37
CrossesSmith Hollow
Location0.7 MI N of FM 2049
RouteInterstate 37
StateTexas
Coordinates28.58857, -98.20822
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,005 (2020)
Projected traffic34,740 by 2033
Trucks31%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$145,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 37 over Smith Hollow built?

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

What condition is IH 37 over Smith Hollow 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 2024.

How much traffic does IH 37 over Smith Hollow carry?

About 23,005 vehicles per day (2020 count), of which roughly 31% are trucks.

How long is IH 37 over Smith Hollow?

The structure is 29 ft (8.8 m) long with a longest span of 6 ft (1.8 m).

Who owns IH 37 over Smith Hollow?

It is owned by the State Highway Agency.