US Bridges

IH 410 Nbml over Marbach Rd.

Good

Bexar County, Texas · 1.4 MI N of US 90 · Structure no. 150150052104408

Built
2019
6 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
325 ft
1 main span
Daily traffic
76,646
2018 count
Owner
State
State Highway Agency

About this bridge

IH 410 Nbml over Marbach Rd. is a prestressed concrete stringer/multi-beam or girder carrying IH 410 Nbml over Marbach Rd. in Bexar County, Texas. It was built in 2019, so it is 6 years old, younger 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 76,646 vehicles a day, roughly 16% of them trucks, projected to reach 96,540 by 2033. The structure is 325 ft (99.1 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 410 Nbml
CrossesMarbach Rd.
Location1.4 MI N of US 90
RouteInterstate 410
CountyBexar County
StateTexas
Coordinates29.41786, -98.64951
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length325 ft (99.1 m)
Longest span135 ft (41.1 m)
Deck width82 ft (25 m)
Roadway width79 ft (24.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76,646 (2018)
Projected traffic96,540 by 2033
Trucks16%
Lanes on structure5
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 410 Nbml over Marbach Rd. built?

It was built in 2019, making it 6 years old in 2025.

What condition is IH 410 Nbml over Marbach Rd. 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 June 2022.

How much traffic does IH 410 Nbml over Marbach Rd. carry?

About 76,646 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is IH 410 Nbml over Marbach Rd.?

The structure is 325 ft (99.1 m) long with a longest span of 135 ft (41.1 m) and a deck 82 ft wide.

Who owns IH 410 Nbml over Marbach Rd.?

It is owned by the State Highway Agency.