US Bridges

County Road 126 over Lone Tree Creek

Fair

Weld County, Colorado · 3.9 MI W of US HWY 85 · Structure no. WEL126.0_019.0A

Built
2000
25 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
148 ft
3 main spans
Daily traffic
409
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 126 over Lone Tree Creek is a steel stringer/multi-beam or girder carrying County Road 126 over Lone Tree Creek in Weld County, Colorado. It was built in 2000, so it is 25 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 5 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 409 vehicles a day, roughly 49% of them trucks, projected to reach 581 by 2043. The structure is 148 ft (45.1 m) long and 40 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCounty Road 126
CrossesLone Tree Creek
Location3.9 MI W of US HWY 85
RouteCounty Highway 0
Coordinates40.89783, -104.86803
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.9 US tons
Inventory rating35.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length148 ft (45.1 m)
Longest span47 ft (14.3 m)
Deck width40 ft (12.2 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic409 (2023)
Projected traffic581 by 2043
Trucks49%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 126 over Lone Tree Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is County Road 126 over Lone Tree 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 May 2024.

How much traffic does County Road 126 over Lone Tree Creek carry?

About 409 vehicles per day (2023 count), of which roughly 49% are trucks.

How long is County Road 126 over Lone Tree Creek?

The structure is 148 ft (45.1 m) long with a longest span of 47 ft (14.3 m) and a deck 40 ft wide.

Who owns County Road 126 over Lone Tree Creek?

It is owned by the County Highway Agency.