US Bridges

IH 35 NB FR over Leon Creek

Fair

Bexar County, Texas · 1.20 MI NE of IH 410 · Structure no. 150150001709303

Built
1974
51 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
1,405
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB FR over Leon Creek is a concrete culvert carrying IH 35 NB FR over Leon Creek in Bexar County, Texas. It was built in 1974, so it is 51 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,405 vehicles a day, roughly 5% of them trucks, projected to reach 2,473 by 2042. The structure is 34 ft (10.4 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 35 NB FR
CrossesLeon Creek
Location1.20 MI NE of IH 410
RouteInterstate 35
CountyBexar County
StateTexas
Coordinates29.32881, -98.58494
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width54 ft (16.5 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,405 (2022)
Projected traffic2,473 by 2042
Trucks5%
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 NB FR over Leon Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is IH 35 NB FR over Leon Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does IH 35 NB FR over Leon Creek carry?

About 1,405 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is IH 35 NB FR over Leon Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 54 ft wide.

Who owns IH 35 NB FR over Leon Creek?

It is owned by the State Highway Agency.