US Bridges

Cb Cnty RD 2E over Little Medicine Bow Rvr

Fair

Carbon County, Wyoming · 3 MI N.E of Shirley Basin · Structure no. FRO

Built
1991
34 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
140 ft
3 main spans
Daily traffic
17
2024 count
Owner
County
County Highway Agency

About this bridge

Cb Cnty RD 2E over Little Medicine Bow Rvr is a prestressed concrete tee beam carrying Cb Cnty RD 2E over Little Medicine Bow Rvr in Carbon County, Wyoming. It was built in 1991, so it is 34 years old, younger 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 17 vehicles a day, roughly 35% of them trucks, projected to reach 24 by 2043. The structure is 140 ft (42.7 m) long and 31 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesCb Cnty RD 2E
CrossesLittle Medicine Bow Rvr
Location3 MI N.E of Shirley Basin
RouteCounty Highway 2E
StateWyoming
Coordinates42.33169, -106.15537
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating56 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span52 ft (15.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2024)
Projected traffic24 by 2043
Trucks35%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cb Cnty RD 2E over Little Medicine Bow Rvr built?

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

What condition is Cb Cnty RD 2E over Little Medicine Bow Rvr 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 Cb Cnty RD 2E over Little Medicine Bow Rvr carry?

About 17 vehicles per day (2024 count), of which roughly 35% are trucks.

How long is Cb Cnty RD 2E over Little Medicine Bow Rvr?

The structure is 140 ft (42.7 m) long with a longest span of 52 ft (15.8 m) and a deck 31 ft wide.

Who owns Cb Cnty RD 2E over Little Medicine Bow Rvr?

It is owned by the County Highway Agency.