US Bridges

Wyo 34 over North Sybille Creek

Good

Albany County, Wyoming · Bosler JCT - JCT I-25 · Structure no. DJU

Built
1976
49 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
93 ft
3 main spans
Daily traffic
1,304
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 34 over North Sybille Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 34 over North Sybille Creek in Albany County, Wyoming. It was built in 1976, so it is 49 years old, older than the Wyoming average of 48.4 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 1,304 vehicles a day, roughly 3% of them trucks, projected to reach 1,826 by 2043. The structure is 93 ft (28.3 m) long and 35 ft wide. If it were closed, the detour would be 82 mi (132 km).

CarriesWyo 34
CrossesNorth Sybille Creek
LocationBosler JCT - JCT I-25
RouteState Highway 34
StateWyoming
Coordinates41.77835, -105.34095
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,304 (2024)
Projected traffic1,826 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed82 mi (132 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 34 over North Sybille Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Wyo 34 over North Sybille 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 March 2024.

How much traffic does Wyo 34 over North Sybille Creek carry?

About 1,304 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Wyo 34 over North Sybille Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 35 ft wide.

Who owns Wyo 34 over North Sybille Creek?

It is owned by the State Highway Agency.