US Bridges

IH 410 Ml over Leon Creek

Fair

Bexar County, Texas · 0.5 MI NE of Military DR · Structure no. 150150052104019

Built
1960
65 years old, rebuilt 1987
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
550 ft
9 main spans
Daily traffic
70,147
2020 count
Owner
State
State Highway Agency

About this bridge

IH 410 Ml over Leon Creek is a steel continuous stringer/multi-beam or girder carrying IH 410 Ml over Leon Creek in Bexar County, Texas. It was built in 1960 and reconstructed in 1987, so it is 65 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 70,147 vehicles a day, roughly 16% of them trucks, projected to reach 96,540 by 2033. The structure is 550 ft (167.6 m) long and 167 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 410 Ml
CrossesLeon Creek
Location0.5 MI NE of Military DR
RouteInterstate 410
StateTexas
Coordinates29.44843, -98.63386
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating33 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length550 ft (167.6 m)
Longest span71 ft (21.6 m)
Deck width167 ft (50.9 m)
Roadway width163 ft (49.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,147 (2020)
Projected traffic96,540 by 2033
Trucks16%
Lanes on structure12
Traffic directionTwo-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 410 Ml over Leon Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1987.

What condition is IH 410 Ml 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 410 Ml over Leon Creek carry?

About 70,147 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is IH 410 Ml over Leon Creek?

The structure is 550 ft (167.6 m) long with a longest span of 71 ft (21.6 m) and a deck 167 ft wide.

Who owns IH 410 Ml over Leon Creek?

It is owned by the State Highway Agency.