US Bridges

Carbon Plant Con over IH 37

Good

Nueces County, Texas · IH 37 at Carbon Plant RD · Structure no. 161780007406203

Built
2011
14 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
4,415 ft
3 main spans
Daily traffic
1,445
2022 count
Owner
State
State Highway Agency

About this bridge

Carbon Plant Con over IH 37 is a steel continuous stringer/multi-beam or girder carrying Carbon Plant Con over IH 37 in Nueces County, Texas. It was built in 2011, so it is 14 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 1,445 vehicles a day, roughly 10% of them trucks, projected to reach 650 by 2031. The structure is 4,415 ft (1,345.7 m) long and 32 ft wide.

CarriesCarbon Plant Con
CrossesIH 37
LocationIH 37 at Carbon Plant RD
RouteInterstate 37
StateTexas
Coordinates27.84336, -97.56347
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+34 approach)
Design loadHL 93
Structure length4,415 ft (1,345.7 m)
Longest span265 ft (80.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,445 (2022)
Projected traffic650 by 2031
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Carbon Plant Con over IH 37 built?

It was built in 2011, making it 14 years old in 2025.

What condition is Carbon Plant Con 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 2024.

How much traffic does Carbon Plant Con over IH 37 carry?

About 1,445 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Carbon Plant Con over IH 37?

The structure is 4,415 ft (1,345.7 m) long with a longest span of 265 ft (80.8 m) and a deck 32 ft wide.

Who owns Carbon Plant Con over IH 37?

It is owned by the State Highway Agency.