US Bridges

Needles Entrance R over Salt Creek

Fair

San Juan County, Utah · 34.8 Miles West of Jct. H · Structure no. 1340003P0000000

Built
1991
34 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
321
2019 count
Owner
Federal
National Park Service

About this bridge

Needles Entrance R over Salt Creek is a prestressed concrete stringer/multi-beam or girder carrying Needles Entrance R over Salt Creek in San Juan County, Utah. It was built in 1991, so it is 34 years old, younger than the Utah average of 40.1 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 321 vehicles a day, roughly 3% of them trucks, projected to reach 385 by 2039. The structure is 85 ft (25.9 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNeedles Entrance R
CrossesSalt Creek
Location34.8 Miles West of Jct. H
RouteFederal Lands Road 10
StateUtah
Coordinates38.16851, -109.74813
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span82 ft (25 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic321 (2019)
Projected traffic385 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$282,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Needles Entrance R over Salt Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Needles Entrance R over Salt Creek 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 June 2024.

How much traffic does Needles Entrance R over Salt Creek carry?

About 321 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Needles Entrance R over Salt Creek?

The structure is 85 ft (25.9 m) long with a longest span of 82 ft (25 m) and a deck 36 ft wide.

Who owns Needles Entrance R over Salt Creek?

It is owned by the National Park Service.