US Bridges

SH Cnty RD 70 over Clear Creek

Fair

Sheridan County, Wyoming · 3 Miles N.E. of Leiter · Structure no. EBG

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
109 ft
3 main spans
Daily traffic
8
2024 count
Owner
County
County Highway Agency

About this bridge

SH Cnty RD 70 over Clear Creek is a steel stringer/multi-beam or girder carrying SH Cnty RD 70 over Clear Creek in Sheridan County, Wyoming. It was built in 1973, so it is 52 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 5 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 8 vehicles a day, roughly 13% of them trucks, projected to reach 11 by 2043. The structure is 109 ft (33.2 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH Cnty RD 70
CrossesClear Creek
Location3 Miles N.E. of Leiter
RouteCounty Highway 70
StateWyoming
Coordinates44.75032, -106.22301
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating48 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length109 ft (33.2 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (2024)
Projected traffic11 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$57,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH Cnty RD 70 over Clear Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is SH Cnty RD 70 over Clear 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 April 2024.

How much traffic does SH Cnty RD 70 over Clear Creek carry?

About 8 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SH Cnty RD 70 over Clear Creek?

The structure is 109 ft (33.2 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns SH Cnty RD 70 over Clear Creek?

It is owned by the County Highway Agency.