US Bridges

IH 35 NB over Elm Creek

Good

Bexar County, Texas · 2.50 MI SW of Lp 1604 · Structure no. 150150001703050

Built
1934
91 years old, rebuilt 1974
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete
Length
143 ft
5 main spans
Daily traffic
52,065
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB over Elm Creek is a concrete tee beam carrying IH 35 NB over Elm Creek in Bexar County, Texas. It was built in 1934 and reconstructed in 1974, so it is 91 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 52,065 vehicles a day, roughly 34% of them trucks, projected to reach 72,891 by 2042. The structure is 143 ft (43.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 NB
CrossesElm Creek
Location2.50 MI SW of Lp 1604
RouteInterstate 35
StateTexas
Coordinates29.26365, -98.70397
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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating63.9 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length143 ft (43.6 m)
Longest span29 ft (8.8 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,065 (2022)
Projected traffic72,891 by 2042
Trucks34%
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 35 NB over Elm Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1974.

What condition is IH 35 NB over Elm 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 May 2024.

How much traffic does IH 35 NB over Elm Creek carry?

About 52,065 vehicles per day (2022 count), of which roughly 34% are trucks.

How long is IH 35 NB over Elm Creek?

The structure is 143 ft (43.6 m) long with a longest span of 29 ft (8.8 m) and a deck 42 ft wide.

Who owns IH 35 NB over Elm Creek?

It is owned by the State Highway Agency.