US Bridges

SH 105 over New Salem Road

Fair

Liberty County, Texas · 1.4 Mi. SW of SH 321 · Structure no. 201460033812016

Built
2009
16 years old
Condition
Fair
inspected February 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
3 main spans
Daily traffic
6,178
2020 count
Owner
State
State Highway Agency

About this bridge

SH 105 over New Salem Road is a prestressed concrete stringer/multi-beam or girder carrying SH 105 over New Salem Road in Liberty County, Texas. It was built in 2009, so it is 16 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,178 vehicles a day, roughly 9% of them trucks, projected to reach 14,630 by 2033. The structure is 260 ft (79.2 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSH 105
CrossesNew Salem Road
Location1.4 Mi. SW of SH 321
RouteState Highway 105
StateTexas
Coordinates30.31984, -95.0771
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span100 ft (30.5 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,178 (2020)
Projected traffic14,630 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 105 over New Salem Road built?

It was built in 2009, making it 16 years old in 2025.

What condition is SH 105 over New Salem Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2022.

How much traffic does SH 105 over New Salem Road carry?

About 6,178 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SH 105 over New Salem 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 New Salem Road?

It is owned by the State Highway Agency.