US Bridges

SH 105 over Jackson Creek

Good

Hardin County, Texas · 1.75 MI W of SH 326 · Structure no. 201010033903009

Built
1953
72 years old, rebuilt 1995
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
70 ft
5 main spans
Daily traffic
6,666
2022 count
Owner
State
State Highway Agency

About this bridge

SH 105 over Jackson Creek is a concrete culvert carrying SH 105 over Jackson Creek in Hardin County, Texas. It was built in 1953 and reconstructed in 1995, so it is 72 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 6,666 vehicles a day, roughly 15% of them trucks, projected to reach 9,599 by 2042. The structure is 70 ft (21.3 m) long and 50 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesSH 105
CrossesJackson Creek
Location1.75 MI W of SH 326
RouteState Highway 105
StateTexas
Coordinates30.14126, -94.43261
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
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 spans5
Design loadOther
Structure length70 ft (21.3 m)
Longest span10 ft (3 m)
Deck width50 ft (15.3 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,666 (2022)
Projected traffic9,599 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 105 over Jackson Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1995.

What condition is SH 105 over Jackson 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 March 2024.

How much traffic does SH 105 over Jackson Creek carry?

About 6,666 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is SH 105 over Jackson Creek?

The structure is 70 ft (21.3 m) long with a longest span of 10 ft (3 m) and a deck 50 ft wide.

Who owns SH 105 over Jackson Creek?

It is owned by the State Highway Agency.