US Bridges

SH 90 over Singleton Creek

Fair

Grimes County, Texas · 5.25 MI N of SH 30 · Structure no. 170940031502018

Built
1927
98 years old, rebuilt 2013
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
3,026
2020 count
Owner
State
State Highway Agency

About this bridge

SH 90 over Singleton Creek is a concrete culvert carrying SH 90 over Singleton Creek in Grimes County, Texas. It was built in 1927 and reconstructed in 2013, so it is 98 years old, older 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 5 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 3,026 vehicles a day, roughly 17% of them trucks, projected to reach 4,572 by 2039. The structure is 32 ft (9.8 m) long and 78 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSH 90
CrossesSingleton Creek
Location5.25 MI N of SH 30
RouteState Highway 90
CountyGrimes County
StateTexas
Coordinates30.65733, -95.96375
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width78 ft (23.8 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,026 (2020)
Projected traffic4,572 by 2039
Trucks17%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 SH 90 over Singleton Creek built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 2013.

What condition is SH 90 over Singleton 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 May 2023.

How much traffic does SH 90 over Singleton Creek carry?

About 3,026 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is SH 90 over Singleton Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 78 ft wide.

Who owns SH 90 over Singleton Creek?

It is owned by the State Highway Agency.