US Bridges

County Road 120 over Geary Creek

Good

Weld County, Colorado · 3.0 MI E of CO RD 59 · Structure no. WEL120.0-065.0A

Built
1991
34 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
19
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 120 over Geary Creek is a steel stringer/multi-beam or girder carrying County Road 120 over Geary Creek in Weld County, Colorado. It was built in 1991, so it is 34 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 19 vehicles a day, roughly 55% of them trucks, projected to reach 27 by 2043. The structure is 39 ft (12 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road 120
CrossesGeary Creek
Location3.0 MI E of CO RD 59
RouteCounty Highway 0
Coordinates40.85717, -104.44575
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.8 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length39 ft (12 m)
Longest span36 ft (11.1 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19 (2023)
Projected traffic27 by 2043
Trucks55%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 120 over Geary Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road 120 over Geary 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 120 over Geary Creek carry?

About 19 vehicles per day (2023 count), of which roughly 55% are trucks.

How long is County Road 120 over Geary Creek?

The structure is 39 ft (12 m) long with a longest span of 36 ft (11.1 m) and a deck 32 ft wide.

Who owns County Road 120 over Geary Creek?

It is owned by the County Highway Agency.