US Bridges

County Road 59 over Crow Creek

Fair

Weld County, Colorado · 0.4 MI N of CO RD 60.5 · Structure no. WEL059.0-060.5A

Built
1965
60 years old, rebuilt 2004
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
322
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 59 over Crow Creek is a steel stringer/multi-beam or girder carrying County Road 59 over Crow Creek in Weld County, Colorado. It was built in 1965 and reconstructed in 2004, so it is 60 years old, older 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 322 vehicles a day, roughly 34% of them trucks, projected to reach 458 by 2041. The structure is 30 ft (9.2 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 59
CrossesCrow Creek
Location0.4 MI N of CO RD 60.5
RouteCounty Highway 0
Coordinates40.4341, -104.50789
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating30.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span28 ft (8.4 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic322 (2021)
Projected traffic458 by 2041
Trucks34%
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 59 over Crow Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2004.

What condition is County Road 59 over Crow 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 June 2024.

How much traffic does County Road 59 over Crow Creek carry?

About 322 vehicles per day (2021 count), of which roughly 34% are trucks.

How long is County Road 59 over Crow Creek?

The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.4 m) and a deck 27 ft wide.

Who owns County Road 59 over Crow Creek?

It is owned by the County Highway Agency.