US Bridges

County Road 17 over Dry Creek

Good

Larimer County, Colorado · 0.5 MI N of CO RD 4E · Structure no. BER-0.0-CR17

Built
1997
28 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
2,409
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

County Road 17 over Dry Creek is a concrete culvert carrying County Road 17 over Dry Creek in Larimer County, Colorado. It was built in 1997, so it is 28 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,409 vehicles a day, roughly 17% of them trucks, projected to reach 3,012 by 2043. The structure is 33 ft (10.1 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 17
CrossesDry Creek
Location0.5 MI N of CO RD 4E
RouteCity Street 0
Coordinates40.29266, -105.09314
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating110.1 US tons
Inventory rating96.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width57 ft (17.3 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,409 (2023)
Projected traffic3,012 by 2043
Trucks17%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 17 over Dry Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Road 17 over Dry Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does County Road 17 over Dry Creek carry?

About 2,409 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is County Road 17 over Dry Creek?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 57 ft wide.

Who owns County Road 17 over Dry Creek?

It is owned by the City or Municipal Highway Agency.