US Bridges

IH 35 Nbfr over Bunton Branch

Good

Hays County, Texas · 2.2 MI N of RM 150 · Structure no. 141060001602029

Built
1935
90 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Concrete
Length
143 ft
5 main spans
Daily traffic
13,143
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 Nbfr over Bunton Branch is a concrete tee beam carrying IH 35 Nbfr over Bunton Branch in Hays County, Texas. It was built in 1935, so it is 90 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 13,143 vehicles a day, roughly 6% of them trucks, projected to reach 18,400 by 2042. The structure is 143 ft (43.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 Nbfr
CrossesBunton Branch
Location2.2 MI N of RM 150
RouteInterstate 35
StateTexas
Coordinates30.01652, -97.85777
Functional classUrban 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 inspectionAugust 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length143 ft (43.6 m)
Longest span28 ft (8.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,143 (2023)
Projected traffic18,400 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 35 Nbfr over Bunton Branch built?

It was built in 1935, making it 90 years old in 2025.

What condition is IH 35 Nbfr over Bunton Branch 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 August 2024.

How much traffic does IH 35 Nbfr over Bunton Branch carry?

About 13,143 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is IH 35 Nbfr over Bunton Branch?

The structure is 143 ft (43.6 m) long with a longest span of 28 ft (8.5 m) and a deck 43 ft wide.

Who owns IH 35 Nbfr over Bunton Branch?

It is owned by the State Highway Agency.