US Bridges

U.S. Route 89 over Pacific Creek

Fair

Teton County, Wyoming · 1.5 Miles West of Moran J · Structure no. 1460009P0000000

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
94 ft
1 main span
Daily traffic
2,400
2023 count
Owner
Federal
National Park Service

About this bridge

U.S. Route 89 over Pacific Creek is a steel stringer/multi-beam or girder carrying U.S. Route 89 over Pacific Creek in Teton County, Wyoming. It was built in 1958, so it is 67 years old, older than the Wyoming average of 48.4 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 2,400 vehicles a day, roughly 1% of them trucks, projected to reach 2,640 by 2043. The structure is 94 ft (28.7 m) long and 33 ft wide. If it were closed, the detour would be 75.2 mi (121 km).

CarriesU.S. Route 89
CrossesPacific Creek
Location1.5 Miles West of Moran J
RouteFederal Lands Road 13
StateWyoming
Coordinates43.85063, -110.51783
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating63.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2023)
Projected traffic2,640 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed75.2 mi (121 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$495,000
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. Route 89 over Pacific Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is U.S. Route 89 over Pacific 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 September 2023.

How much traffic does U.S. Route 89 over Pacific Creek carry?

About 2,400 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is U.S. Route 89 over Pacific Creek?

The structure is 94 ft (28.7 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns U.S. Route 89 over Pacific Creek?

It is owned by the National Park Service.