US Bridges

IH 410 Nbml over Medina Base RD

Fair

Bexar County, Texas · 2.0 MI S of US 90 · Structure no. 150150052105048

Built
1960
65 years old, rebuilt 1997
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
364 ft
4 main spans
Daily traffic
28,683
2022 count
Owner
State
State Highway Agency

About this bridge

IH 410 Nbml over Medina Base RD is a steel continuous stringer/multi-beam or girder carrying IH 410 Nbml over Medina Base RD in Bexar County, Texas. It was built in 1960 and reconstructed in 1997, 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 28,683 vehicles a day, roughly 7% of them trucks, projected to reach 36,140 by 2042. The structure is 364 ft (110.9 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 410 Nbml
CrossesMedina Base RD
Location2.0 MI S of US 90
RouteInterstate 410
StateTexas
Coordinates29.37066, -98.63663
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20
Structure length364 ft (110.9 m)
Longest span72 ft (21.9 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,683 (2022)
Projected traffic36,140 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 410 Nbml over Medina Base RD built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1997.

What condition is IH 410 Nbml over Medina Base RD 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 Medina Base RD carry?

About 28,683 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is IH 410 Nbml over Medina Base RD?

The structure is 364 ft (110.9 m) long with a longest span of 72 ft (21.9 m) and a deck 41 ft wide.

Who owns IH 410 Nbml over Medina Base RD?

It is owned by the State Highway Agency.