US Bridges

SH 105 over Pine Island Bayou

Good

Hardin County, Texas · 0.35 MI SW of FM 770 N · Structure no. 201010109601027

Built
2000
25 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
361 ft
7 main spans
Daily traffic
6,474
2024 count
Owner
State
State Highway Agency

About this bridge

SH 105 over Pine Island Bayou is a prestressed concrete stringer/multi-beam or girder carrying SH 105 over Pine Island Bayou in Hardin County, Texas. It was built in 2000, so it is 25 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 6,474 vehicles a day, roughly 18% of them trucks, projected to reach 9,190 by 2033. The structure is 361 ft (110 m) long and 45 ft wide. If it were closed, the detour would be 41 mi (66 km).

CarriesSH 105
CrossesPine Island Bayou
Location0.35 MI SW of FM 770 N
RouteState Highway 105
StateTexas
Coordinates30.25735, -94.56763
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans7
Design loadHS 20
Structure length361 ft (110 m)
Longest span53 ft (16.2 m)
Deck width45 ft (13.8 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,474 (2024)
Projected traffic9,190 by 2033
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 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 Pine Island Bayou built?

It was built in 2000, making it 25 years old in 2025.

What condition is SH 105 over Pine Island Bayou 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 March 2024.

How much traffic does SH 105 over Pine Island Bayou carry?

About 6,474 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is SH 105 over Pine Island Bayou?

The structure is 361 ft (110 m) long with a longest span of 53 ft (16.2 m) and a deck 45 ft wide.

Who owns SH 105 over Pine Island Bayou?

It is owned by the State Highway Agency.