US Bridges

IH 410 Nbml over IH 10

Fair

Bexar County, Texas · 1.0 MI E of Loop 13 · Structure no. 150150002502116

Built
1964
61 years old, rebuilt 2009
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
316 ft
4 main spans
Daily traffic
44,891
2022 count
Owner
State
State Highway Agency

About this bridge

IH 410 Nbml over IH 10 is a steel continuous stringer/multi-beam or girder carrying IH 410 Nbml over IH 10 in Bexar County, Texas. It was built in 1964 and reconstructed in 2009, so it is 61 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 44,891 vehicles a day, roughly 28% of them trucks, projected to reach 62,847 by 2042. The structure is 316 ft (96.3 m) long and 41 ft wide.

Location

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CarriesIH 410 Nbml
CrossesIH 10
Location1.0 MI E of Loop 13
RouteInterstate 410
CountyBexar County
StateTexas
Coordinates29.43544, -98.38972
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20
Structure length316 ft (96.3 m)
Longest span64 ft (19.5 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,891 (2022)
Projected traffic62,847 by 2042
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$19,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 410 Nbml over IH 10 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2009.

What condition is IH 410 Nbml over IH 10 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 Nbml over IH 10 carry?

About 44,891 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is IH 410 Nbml over IH 10?

The structure is 316 ft (96.3 m) long with a longest span of 64 ft (19.5 m) and a deck 41 ft wide.

Who owns IH 410 Nbml over IH 10?

It is owned by the State Highway Agency.