US Bridges

County Road 6 over Big Dry Creek

Good

Weld County, Colorado · 0.1 MI E of CO RD 19 · Structure no. WEL006.0-019.0A

Built
1984
41 years old, rebuilt 2020
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
4,075
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 6 over Big Dry Creek is a steel stringer/multi-beam or girder carrying County Road 6 over Big Dry Creek in Weld County, Colorado. It was built in 1984 and reconstructed in 2020, so it is 41 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 4,075 vehicles a day, roughly 39% of them trucks, projected to reach 5,786 by 2042. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 6
CrossesBig Dry Creek
Location0.1 MI E of CO RD 19
RouteCounty Highway 0
Coordinates40.02937, -104.88116
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.4 US tons
Inventory rating29.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.1 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,075 (2022)
Projected traffic5,786 by 2042
Trucks39%
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 6 over Big Dry Creek built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2020.

What condition is County Road 6 over Big 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 June 2024.

How much traffic does County Road 6 over Big Dry Creek carry?

About 4,075 vehicles per day (2022 count), of which roughly 39% are trucks.

How long is County Road 6 over Big Dry Creek?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.1 m) and a deck 31 ft wide.

Who owns County Road 6 over Big Dry Creek?

It is owned by the County Highway Agency.