US Bridges

County Road 12E over Michigan River Overflow

Fair

Jackson County, Colorado · 1.3 MI E of ST HWY 125 · Structure no. 057012E01.3011B

Built
2013
12 years old
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
21 ft
3 main spans
Daily traffic
147
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 12E over Michigan River Overflow is a steel culvert carrying County Road 12E over Michigan River Overflow in Jackson County, Colorado. It was built in 2013, so it is 12 years old, younger than the Colorado average of 42.2 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 147 vehicles a day, roughly 21% of them trucks, projected to reach 191 by 2043. The structure is 21 ft (6.4 m) long and 61 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty Road 12E
CrossesMichigan River Overflow
Location1.3 MI E of ST HWY 125
RouteCounty Highway 0
Coordinates40.72938, -106.25712
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span6 ft (1.9 m)
Deck width61 ft (18.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic147 (2023)
Projected traffic191 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 County Road 12E over Michigan River Overflow built?

It was built in 2013, making it 12 years old in 2025.

What condition is County Road 12E over Michigan River Overflow 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 November 2024.

How much traffic does County Road 12E over Michigan River Overflow carry?

About 147 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is County Road 12E over Michigan River Overflow?

The structure is 21 ft (6.4 m) long with a longest span of 6 ft (1.9 m) and a deck 61 ft wide.

Who owns County Road 12E over Michigan River Overflow?

It is owned by the County Highway Agency.