US Bridges

IH 37 SB Exit Ramp over Montana St. and IH37 Rmp

Good

Bexar County, Texas · 1.38 MI S of IH 35 · Structure no. 150150007308354

Built
2014
11 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
854 ft
7 main spans
Daily traffic
12,870
2013 count
Owner
State
State Highway Agency

About this bridge

IH 37 SB Exit Ramp over Montana St. and IH37 Rmp is a prestressed concrete stringer/multi-beam or girder carrying IH 37 SB Exit Ramp over Montana St. and IH37 Rmp in Bexar County, Texas. It was built in 2014, so it is 11 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 12,870 vehicles a day, roughly 9% of them trucks, projected to reach 20,000 by 2033. The structure is 854 ft (260.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 37 SB Exit Ramp
CrossesMontana St. and IH37 Rmp
Location1.38 MI S of IH 35
RouteInterstate 37
CountyBexar County
StateTexas
Coordinates29.41905, -98.48072
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than 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, precast panels
Main spans7 (+1 approach)
Design loadHL 93
Structure length854 ft (260.3 m)
Longest span121 ft (36.9 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,870 (2013)
Projected traffic20,000 by 2033
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Exit Ramp over Montana St. and IH37 Rmp built?

It was built in 2014, making it 11 years old in 2025.

What condition is IH 37 SB Exit Ramp over Montana St. and IH37 Rmp 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 Exit Ramp over Montana St. and IH37 Rmp carry?

About 12,870 vehicles per day (2013 count), of which roughly 9% are trucks.

How long is IH 37 SB Exit Ramp over Montana St. and IH37 Rmp?

The structure is 854 ft (260.3 m) long with a longest span of 121 ft (36.9 m) and a deck 28 ft wide.

Who owns IH 37 SB Exit Ramp over Montana St. and IH37 Rmp?

It is owned by the State Highway Agency.