US Bridges

SH 108 over N Fk N Bosque Ri

Good

Erath County, Texas · 1.05 MI NW of FM 2303 · Structure no. 020730034304034

Built
1999
26 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
236 ft
3 main spans
Daily traffic
5,093
2024 count
Owner
State
State Highway Agency

About this bridge

SH 108 over N Fk N Bosque Ri is a prestressed concrete stringer/multi-beam or girder carrying SH 108 over N Fk N Bosque Ri in Erath County, Texas. It was built in 1999, so it is 26 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 5,093 vehicles a day, roughly 14% of them trucks, projected to reach 4,740 by 2033. The structure is 236 ft (71.9 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 108
CrossesN Fk N Bosque Ri
Location1.05 MI NW of FM 2303
RouteState Highway 108
StateTexas
Coordinates32.25312, -98.22489
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
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 length236 ft (71.9 m)
Longest span79 ft (24.1 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,093 (2024)
Projected traffic4,740 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 108 over N Fk N Bosque Ri built?

It was built in 1999, making it 26 years old in 2025.

What condition is SH 108 over N Fk N Bosque Ri 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 108 over N Fk N Bosque Ri carry?

About 5,093 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SH 108 over N Fk N Bosque Ri?

The structure is 236 ft (71.9 m) long with a longest span of 79 ft (24.1 m) and a deck 41 ft wide.

Who owns SH 108 over N Fk N Bosque Ri?

It is owned by the State Highway Agency.