US Bridges

County Road 42 over Gilmore Ditch

Fair

Weld County, Colorado · 10 Ft E of CO RD 47 · Structure no. WEL042.0_047.0A

Built
2001
24 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
1,464
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 42 over Gilmore Ditch is a steel stringer/multi-beam or girder carrying County Road 42 over Gilmore Ditch in Weld County, Colorado. It was built in 2001, so it is 24 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 1,464 vehicles a day, roughly 35% of them trucks, projected to reach 2,079 by 2042. The structure is 36 ft (10.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 42
CrossesGilmore Ditch
Location10 Ft E of CO RD 47
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.29054, -104.62226
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 rating57.7 US tons
Inventory rating34.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span33 ft (10.2 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,464 (2023)
Projected traffic2,079 by 2042
Trucks35%
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 42 over Gilmore Ditch built?

It was built in 2001, making it 24 years old in 2025.

What condition is County Road 42 over Gilmore Ditch 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 March 2024.

How much traffic does County Road 42 over Gilmore Ditch carry?

About 1,464 vehicles per day (2023 count), of which roughly 35% are trucks.

How long is County Road 42 over Gilmore Ditch?

The structure is 36 ft (10.9 m) long with a longest span of 33 ft (10.2 m) and a deck 32 ft wide.

Who owns County Road 42 over Gilmore Ditch?

It is owned by the County Highway Agency.