US Bridges

SH 105 over Sandy Creek

Good

Grimes County, Texas · 0.9 MI E of SH 6 · Structure no. 170940033801105

Built
1978
47 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
10,088
2020 count
Owner
State
State Highway Agency

About this bridge

SH 105 over Sandy Creek is a concrete culvert carrying SH 105 over Sandy Creek in Grimes County, Texas. It was built in 1978, so it is 47 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 10,088 vehicles a day, roughly 13% of them trucks, projected to reach 13,016 by 2039. The structure is 38 ft (11.6 m) long and 87 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesSH 105
CrossesSandy Creek
Location0.9 MI E of SH 6
RouteState Highway 105
CountyGrimes County
StateTexas
Coordinates30.37505, -96.0524
Functional classRural Principal Arterial - Other

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
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 alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span10 ft (3 m)
Deck width87 ft (26.6 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,088 (2020)
Projected traffic13,016 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

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 105 over Sandy Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is SH 105 over Sandy 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 May 2023.

How much traffic does SH 105 over Sandy Creek carry?

About 10,088 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is SH 105 over Sandy Creek?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m) and a deck 87 ft wide.

Who owns SH 105 over Sandy Creek?

It is owned by the State Highway Agency.