US Bridges

SH 105 over E Fork San Jacinto River

Fair

Liberty County, Texas · 1.5 MI SW of Bs 105 T · Structure no. 201460033812020

Built
2011
14 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,510 ft
14 main spans
Daily traffic
5,763
2022 count
Owner
State
State Highway Agency

About this bridge

SH 105 over E Fork San Jacinto River is a prestressed concrete stringer/multi-beam or girder carrying SH 105 over E Fork San Jacinto River 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 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 5,763 vehicles a day, roughly 12% of them trucks, projected to reach 14,910 by 2033. The structure is 1,510 ft (460.2 m) long and 86 ft wide.

CarriesSH 105
CrossesE Fork San Jacinto River
Location1.5 MI SW of Bs 105 T
RouteState Highway 105
StateTexas
Coordinates30.31403, -95.11393
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 spans14
Design loadHS 20
Structure length1,510 ft (460.2 m)
Longest span118 ft (36 m)
Deck width86 ft (26.2 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,763 (2022)
Projected traffic14,910 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 105 over E Fork San Jacinto River built?

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

What condition is SH 105 over E Fork San Jacinto River 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 March 2024.

How much traffic does SH 105 over E Fork San Jacinto River carry?

About 5,763 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SH 105 over E Fork San Jacinto River?

The structure is 1,510 ft (460.2 m) long with a longest span of 118 ft (36 m) and a deck 86 ft wide.

Who owns SH 105 over E Fork San Jacinto River?

It is owned by the State Highway Agency.