US Bridges

IH 37 SB Off Ramp over Nolan ST

Good

Bexar County, Texas · IH 37 @ Houston ST · Structure no. 150150007308262

Built
1988
37 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
433 ft
6 main spans
Daily traffic
2,448
2023 count
Owner
State
State Highway Agency

About this bridge

IH 37 SB Off Ramp over Nolan ST is a prestressed concrete stringer/multi-beam or girder carrying IH 37 SB Off Ramp over Nolan ST in Bexar County, Texas. It was built in 1988, so it is 37 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 2,448 vehicles a day, roughly 3% of them trucks, projected to reach 19,180 by 2033. The structure is 433 ft (132 m) long and 26 ft wide.

CarriesIH 37 SB Off Ramp
CrossesNolan ST
LocationIH 37 @ Houston ST
RouteInterstate 37
StateTexas
Coordinates29.42766, -98.4819
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length433 ft (132 m)
Longest span85 ft (25.9 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,448 (2023)
Projected traffic19,180 by 2033
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 37 SB Off Ramp over Nolan ST built?

It was built in 1988, making it 37 years old in 2025.

What condition is IH 37 SB Off Ramp over Nolan ST 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 August 2022.

How much traffic does IH 37 SB Off Ramp over Nolan ST carry?

About 2,448 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is IH 37 SB Off Ramp over Nolan ST?

The structure is 433 ft (132 m) long with a longest span of 85 ft (25.9 m) and a deck 26 ft wide.

Who owns IH 37 SB Off Ramp over Nolan ST?

It is owned by the State Highway Agency.