US Bridges

Bu 77 T over Chiltipin Creek

Good

San Patricio County, Texas · 0.7 MI SW of SH 89 · Structure no. 162050037107098

Built
2010
15 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
4 main spans
Daily traffic
1,500
2014 count
Owner
State
State Highway Agency

About this bridge

Bu 77 T over Chiltipin Creek is a prestressed concrete stringer/multi-beam or girder carrying Bu 77 T over Chiltipin Creek in San Patricio County, Texas. It was built in 2010, so it is 15 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 1,500 vehicles a day, roughly 8% of them trucks, projected to reach 2,100 by 2034. The structure is 300 ft (91.4 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBu 77 T
CrossesChiltipin Creek
Location0.7 MI SW of SH 89
RouteState Highway 77
StateTexas
Coordinates28.0468, -97.50406
Functional classRural Major Collector

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
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
Design loadHL 93
Structure length300 ft (91.4 m)
Longest span75 ft (22.9 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2014)
Projected traffic2,100 by 2034
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bu 77 T over Chiltipin Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Bu 77 T over Chiltipin Creek 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 March 2024.

How much traffic does Bu 77 T over Chiltipin Creek carry?

About 1,500 vehicles per day (2014 count), of which roughly 8% are trucks.

How long is Bu 77 T over Chiltipin Creek?

The structure is 300 ft (91.4 m) long with a longest span of 75 ft (22.9 m) and a deck 50 ft wide.

Who owns Bu 77 T over Chiltipin Creek?

It is owned by the State Highway Agency.