US Bridges

County Road 19 over Big Dry Creek

Fair

Weld County, Colorado · 0.9 MI N of CO RD 4 · Structure no. WEL019.0-004.0B

Built
1984
41 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
1,326
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 19 over Big Dry Creek is a steel stringer/multi-beam or girder carrying County Road 19 over Big Dry Creek in Weld County, Colorado. It was built in 1984, 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 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 1,326 vehicles a day, roughly 33% of them trucks, projected to reach 1,883 by 2042. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 19
CrossesBig Dry Creek
Location0.9 MI N of CO RD 4
RouteCounty Highway 0
Coordinates40.02877, -104.8862
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating50.9 US tons
Inventory rating30.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.6 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,326 (2022)
Projected traffic1,883 by 2042
Trucks33%
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 19 over Big Dry Creek built?

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

What condition is County Road 19 over Big Dry 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 19 over Big Dry Creek carry?

About 1,326 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is County Road 19 over Big Dry Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.6 m) and a deck 32 ft wide.

Who owns County Road 19 over Big Dry Creek?

It is owned by the County Highway Agency.