US Bridges

SH 105 over White Oak Creek

Good

Montgomery County, Texas · 0.20 MI NW of Lp 336 · Structure no. 121700033803202

Built
1994
31 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
3 main spans
Daily traffic
39,312
2023 count
Owner
State
State Highway Agency

About this bridge

SH 105 over White Oak Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 105 over White Oak Creek in Montgomery County, Texas. It was built in 1994, so it is 31 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 39,312 vehicles a day, roughly 3% of them trucks, projected to reach 68,403 by 2042. The structure is 165 ft (50.3 m) long and 111 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSH 105
CrossesWhite Oak Creek
Location0.20 MI NW of Lp 336
RouteState Highway 105
StateTexas
Coordinates30.32781, -95.50121
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span65 ft (19.8 m)
Deck width111 ft (33.8 m)
Roadway width108 ft (32.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,312 (2023)
Projected traffic68,403 by 2042
Trucks3%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 White Oak Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is SH 105 over White Oak 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 September 2024.

How much traffic does SH 105 over White Oak Creek carry?

About 39,312 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SH 105 over White Oak Creek?

The structure is 165 ft (50.3 m) long with a longest span of 65 ft (19.8 m) and a deck 111 ft wide.

Who owns SH 105 over White Oak Creek?

It is owned by the State Highway Agency.