US Bridges

US 77 NB Conn over IH 37

Good

Nueces County, Texas · 0.85 MI NE of FM 624 · Structure no. 161780007406193

Built
1991
34 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
622 ft
4 main spans
Daily traffic
42,100
2013 count
Owner
State
State Highway Agency

About this bridge

US 77 NB Conn over IH 37 is a prestressed concrete stringer/multi-beam or girder carrying US 77 NB Conn over IH 37 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 42,100 vehicles a day, roughly 19% of them trucks, projected to reach 58,940 by 2033. The structure is 622 ft (189.6 m) long and 40 ft wide.

CarriesUS 77 NB Conn
CrossesIH 37
Location0.85 MI NE of FM 624
RouteInterstate 37
StateTexas
Coordinates27.864, -97.62219
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.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+3 approach)
Design loadHS 20
Structure length622 ft (189.6 m)
Longest span110 ft (33.5 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,100 (2013)
Projected traffic58,940 by 2033
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesThird level (interchange)
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 US 77 NB Conn over IH 37 built?

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

What condition is US 77 NB Conn over IH 37 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 US 77 NB Conn over IH 37 carry?

About 42,100 vehicles per day (2013 count), of which roughly 19% are trucks.

How long is US 77 NB Conn over IH 37?

The structure is 622 ft (189.6 m) long with a longest span of 110 ft (33.5 m) and a deck 40 ft wide.

Who owns US 77 NB Conn over IH 37?

It is owned by the State Highway Agency.