US Bridges

SH 89 NB over Chiltipin Creek

Fair

San Patricio County, Texas · 1.40 MI SE of US 77 · Structure no. 162050010108085

Built
2008
17 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
460 ft
1 main span
Daily traffic
3,660
2022 count
Owner
State
State Highway Agency

About this bridge

SH 89 NB over Chiltipin Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 89 NB over Chiltipin Creek in San Patricio County, Texas. It was built in 2008, so it is 17 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 3,660 vehicles a day, roughly 12% of them trucks, projected to reach 2,170 by 2033. The structure is 460 ft (140.2 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 89 NB
CrossesChiltipin Creek
Location1.40 MI SE of US 77
RouteState Highway 89
CountySan Patricio County
StateTexas
Coordinates28.04762, -97.48852
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 spans1 (+4 approach)
Design loadHS 25 or greater
Structure length460 ft (140.2 m)
Longest span120 ft (36.6 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,660 (2022)
Projected traffic2,170 by 2033
Trucks12%
Lanes on structure2
Traffic directionOne-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 SH 89 NB over Chiltipin Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is SH 89 NB 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 April 2024.

How much traffic does SH 89 NB over Chiltipin Creek carry?

About 3,660 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SH 89 NB over Chiltipin Creek?

The structure is 460 ft (140.2 m) long with a longest span of 120 ft (36.6 m) and a deck 40 ft wide.

Who owns SH 89 NB over Chiltipin Creek?

It is owned by the State Highway Agency.