US Bridges

County Road 100 over Spring Creek

Good

Weld County, Colorado · 0.9 MI E of CO RD 23 · Structure no. WEL100.0-023.0A

Built
1998
27 years old
Condition
Good
inspected May 2024
Type
Culvert
Steel
Length
39 ft
5 main spans
Daily traffic
2,390
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 100 over Spring Creek is a steel culvert carrying County Road 100 over Spring Creek in Weld County, Colorado. It was built in 1998, so it is 27 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 2,390 vehicles a day, roughly 25% of them trucks, projected to reach 3,394 by 2043. The structure is 39 ft (11.8 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 100
CrossesSpring Creek
Location0.9 MI E of CO RD 23
RouteCounty Highway 0
Coordinates40.71111, -104.83333
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans5
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span6 ft (1.7 m)
Deck width69 ft (21 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,390 (2023)
Projected traffic3,394 by 2043
Trucks25%
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 100 over Spring Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is County Road 100 over Spring 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 2024.

How much traffic does County Road 100 over Spring Creek carry?

About 2,390 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is County Road 100 over Spring Creek?

The structure is 39 ft (11.8 m) long with a longest span of 6 ft (1.7 m) and a deck 69 ft wide.

Who owns County Road 100 over Spring Creek?

It is owned by the County Highway Agency.