US Bridges

US 90A over Tinsley Creek

Good

Gonzales County, Texas · 0.60 MI E of US 183 Bus · Structure no. 130900044503020

Built
1961
64 years old, rebuilt 1988
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
15,850
2013 count
Owner
State
State Highway Agency

About this bridge

US 90A over Tinsley Creek is a concrete culvert carrying US 90A over Tinsley Creek in Gonzales County, Texas. It was built in 1961 and reconstructed in 1988, so it is 64 years old, older 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 15,850 vehicles a day, roughly 11% of them trucks, projected to reach 22,190 by 2033. The structure is 35 ft (10.7 m) long and 218 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 90A
CrossesTinsley Creek
Location0.60 MI E of US 183 Bus
RouteU.S. Route 90
StateTexas
Coordinates29.51996, -97.44966
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width218 ft (66.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,850 (2013)
Projected traffic22,190 by 2033
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 90A over Tinsley Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1988.

What condition is US 90A over Tinsley 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 January 2023.

How much traffic does US 90A over Tinsley Creek carry?

About 15,850 vehicles per day (2013 count), of which roughly 11% are trucks.

How long is US 90A over Tinsley Creek?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m) and a deck 218 ft wide.

Who owns US 90A over Tinsley Creek?

It is owned by the State Highway Agency.