US Bridges

SH 105 over Pin Oak Road

Good

Liberty County, Texas · 0.5 MI SW of Bs 105 T · Structure no. 201460033812017

Built
2011
14 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
3 main spans
Daily traffic
4,412
2020 count
Owner
State
State Highway Agency

About this bridge

SH 105 over Pin Oak Road is a prestressed concrete stringer/multi-beam or girder carrying SH 105 over Pin Oak Road in Liberty County, Texas. It was built in 2011, so it is 14 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 4,412 vehicles a day, roughly 9% of them trucks, projected to reach 14,910 by 2033. The structure is 260 ft (79.2 m) long and 46 ft wide.

CarriesSH 105
CrossesPin Oak Road
Location0.5 MI SW of Bs 105 T
RouteState Highway 105
StateTexas
Coordinates30.32781, -95.12472
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.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum 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 length260 ft (79.2 m)
Longest span100 ft (30.5 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,412 (2020)
Projected traffic14,910 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 105 over Pin Oak Road built?

It was built in 2011, making it 14 years old in 2025.

What condition is SH 105 over Pin Oak Road 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 2022.

How much traffic does SH 105 over Pin Oak Road carry?

About 4,412 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SH 105 over Pin Oak Road?

The structure is 260 ft (79.2 m) long with a longest span of 100 ft (30.5 m) and a deck 46 ft wide.

Who owns SH 105 over Pin Oak Road?

It is owned by the State Highway Agency.