US Bridges

County Road 23E over Dry Creek Tributary

Fair

Larimer County, Colorado · 0.8 MI N of CO RD 4 · Structure no. LR23E-0.8-4

Built
1987
38 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,838
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 23E over Dry Creek Tributary is a concrete culvert carrying County Road 23E over Dry Creek Tributary in Larimer County, Colorado. It was built in 1987, so it is 38 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 1,838 vehicles a day, roughly 21% of them trucks, projected to reach 2,298 by 2043. The structure is 21 ft (6.3 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 23E
CrossesDry Creek Tributary
Location0.8 MI N of CO RD 4
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.28655, -105.15919
Functional classRural Major 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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.8 US tons
Inventory rating26.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width40 ft (12.1 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,838 (2023)
Projected traffic2,298 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 23E over Dry Creek Tributary built?

It was built in 1987, making it 38 years old in 2025.

What condition is County Road 23E over Dry Creek Tributary 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 May 2023.

How much traffic does County Road 23E over Dry Creek Tributary carry?

About 1,838 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is County Road 23E over Dry Creek Tributary?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns County Road 23E over Dry Creek Tributary?

It is owned by the County Highway Agency.