US Bridges

SH 105 over Rocky Creek

Good

Washington County, Texas · 4.03 MI NE of FM 50 · Structure no. 172390031507022

Built
2010
15 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
340 ft
2 main spans
Daily traffic
5,643
2020 count
Owner
State
State Highway Agency

About this bridge

SH 105 over Rocky Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 105 over Rocky Creek in Washington County, Texas. It was built in 2010, so it is 15 years old, younger 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 5,643 vehicles a day, roughly 12% of them trucks, projected to reach 5,840 by 2033. The structure is 340 ft (103.6 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 105
CrossesRocky Creek
Location4.03 MI NE of FM 50
RouteState Highway 105
StateTexas
Coordinates30.22004, -96.30324
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2 (+3 approach)
Design loadHL 93
Structure length340 ft (103.6 m)
Longest span80 ft (24.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,643 (2020)
Projected traffic5,840 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Rocky Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is SH 105 over Rocky 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 April 2023.

How much traffic does SH 105 over Rocky Creek carry?

About 5,643 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SH 105 over Rocky Creek?

The structure is 340 ft (103.6 m) long with a longest span of 80 ft (24.4 m) and a deck 46 ft wide.

Who owns SH 105 over Rocky Creek?

It is owned by the State Highway Agency.