US Bridges

IH 37 SB on Ramp over US 77 SB

Good

Nueces County, Texas · 0.85 MI NE of FM 624 · Structure no. 161780007406196

Built
1991
34 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
8,000
2010 count
Owner
State
State Highway Agency

About this bridge

IH 37 SB on Ramp over US 77 SB is a prestressed concrete stringer/multi-beam or girder carrying IH 37 SB on Ramp over US 77 SB in Nueces County, Texas. It was built in 1991, so it is 34 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 8,000 vehicles a day, roughly 14% of them trucks, projected to reach 12,990 by 2030. The structure is 88 ft (26.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH 37 SB on Ramp
CrossesUS 77 SB
Location0.85 MI NE of FM 624
RouteInterstate 37
StateTexas
Coordinates27.86545, -97.62322
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 inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span88 ft (26.8 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2010)
Projected traffic12,990 by 2030
Trucks14%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 37 SB on Ramp over US 77 SB built?

It was built in 1991, making it 34 years old in 2025.

What condition is IH 37 SB on Ramp over US 77 SB 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 May 2022.

How much traffic does IH 37 SB on Ramp over US 77 SB carry?

About 8,000 vehicles per day (2010 count), of which roughly 14% are trucks.

How long is IH 37 SB on Ramp over US 77 SB?

The structure is 88 ft (26.8 m) long with a longest span of 88 ft (26.8 m) and a deck 28 ft wide.

Who owns IH 37 SB on Ramp over US 77 SB?

It is owned by the State Highway Agency.