US Bridges

SH 105 over Stewart Crk

Good

Montgomery County, Texas · 1.15 MI E of FM 149 · Structure no. 121700033803197

Built
1994
31 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
21,800
2023 count
Owner
State
State Highway Agency

About this bridge

SH 105 over Stewart Crk is a prestressed concrete stringer/multi-beam or girder carrying SH 105 over Stewart Crk 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 21,800 vehicles a day, roughly 3% of them trucks, projected to reach 31,828 by 2042. The structure is 115 ft (35.1 m) long and 87 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 105
CrossesStewart Crk
Location1.15 MI E of FM 149
RouteState Highway 105
StateTexas
Coordinates30.3876, -95.67788
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 spans1 (+2 approach)
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span55 ft (16.8 m)
Deck width87 ft (26.5 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,800 (2023)
Projected traffic31,828 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Stewart Crk built?

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

What condition is SH 105 over Stewart Crk 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 August 2024.

How much traffic does SH 105 over Stewart Crk carry?

About 21,800 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SH 105 over Stewart Crk?

The structure is 115 ft (35.1 m) long with a longest span of 55 ft (16.8 m) and a deck 87 ft wide.

Who owns SH 105 over Stewart Crk?

It is owned by the State Highway Agency.