US Bridges

NFSR 30149 over Twitchell Creek

Good

Garfield County, Utah · 12.3 North Highway 12 · Structure no. 040704000003002

Built
1999
26 years old
Condition
Good
inspected April 2023
Type
Slab
Wood or Timber
Length
28 ft
1 main span
Daily traffic
10
1999 count
Owner
Federal
U.S. Forest Service

About this bridge

NFSR 30149 over Twitchell Creek is a wood or timber slab carrying NFSR 30149 over Twitchell Creek in Garfield County, Utah. It was built in 1999, so it is 26 years old, younger than the Utah average of 40.1 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 28 ft (8.5 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesNFSR 30149
CrossesTwitchell Creek
Location12.3 North Highway 12
RouteFederal Lands Road 30149
CountyGarfield County
StateUtah
Coordinates37.90773, -111.79244
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1999)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NFSR 30149 over Twitchell Creek built?

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

What condition is NFSR 30149 over Twitchell Creek 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 April 2023.

How much traffic does NFSR 30149 over Twitchell Creek carry?

About 10 vehicles per day (1999 count).

How long is NFSR 30149 over Twitchell Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 16 ft wide.

Who owns NFSR 30149 over Twitchell Creek?

It is owned by the U.S. Forest Service.