US Bridges

County Road 27E over Rist Creek

Fair

Larimer County, Colorado · 100 Ft N of CO RD 52E · Structure no. LR27E-0.0-52E

Built
1984
41 years old
Condition
Fair
inspected March 2025
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
99
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 27E over Rist Creek is a concrete culvert carrying County Road 27E over Rist Creek in Larimer County, Colorado. It was built in 1984, so it is 41 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 99 vehicles a day, roughly 34% of them trucks, projected to reach 124 by 2043. The structure is 21 ft (6.3 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCounty Road 27E
CrossesRist Creek
Location100 Ft N of CO RD 52E
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.63444, -105.20011
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (2.9 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2023)
Projected traffic124 by 2043
Trucks34%
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 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 27E over Rist Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is County Road 27E over Rist 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 March 2025.

How much traffic does County Road 27E over Rist Creek carry?

About 99 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is County Road 27E over Rist Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (2.9 m) and a deck 41 ft wide.

Who owns County Road 27E over Rist Creek?

It is owned by the County Highway Agency.