US Bridges

US 77 SB over Chiltipin Creek

Fair

San Patricio County, Texas · 0.70 MI N of SH 188 · Structure no. 162050037104091

Built
1991
34 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
282 ft
5 main spans
Daily traffic
7,360
2016 count
Owner
State
State Highway Agency

About this bridge

US 77 SB over Chiltipin Creek is a prestressed concrete stringer/multi-beam or girder carrying US 77 SB over Chiltipin Creek in San Patricio 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,360 vehicles a day, projected to reach 11,390 by 2031. The structure is 282 ft (86 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 77 SB
CrossesChiltipin Creek
Location0.70 MI N of SH 188
RouteU.S. Route 77
CountySan Patricio County
StateTexas
Coordinates28.04584, -97.52506
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable 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, cast-in-place
Main spans5
Design loadHS 20
Structure length282 ft (86 m)
Longest span70 ft (21.3 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,360 (2016)
Projected traffic11,390 by 2031
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$198,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 77 SB over Chiltipin Creek built?

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

What condition is US 77 SB over Chiltipin Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does US 77 SB over Chiltipin Creek carry?

About 7,360 vehicles per day (2016 count).

How long is US 77 SB over Chiltipin Creek?

The structure is 282 ft (86 m) long with a longest span of 70 ft (21.3 m) and a deck 40 ft wide.

Who owns US 77 SB over Chiltipin Creek?

It is owned by the State Highway Agency.