US Bridges

County Road 47 over Gilmore Ditch

Fair

Weld County, Colorado · 0.6 MI N of CO RD 40 · Structure no. WEL047.0_040.0A

Built
2000
25 years old, rebuilt 2020
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
331
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 47 over Gilmore Ditch is a steel stringer/multi-beam or girder carrying County Road 47 over Gilmore Ditch in Weld County, Colorado. It was built in 2000 and reconstructed in 2020, 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 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 331 vehicles a day, roughly 58% of them trucks, projected to reach 470 by 2042. The structure is 41 ft (12.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 47
CrossesGilmore Ditch
Location0.6 MI N of CO RD 40
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.28548, -104.62119
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating35.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length41 ft (12.4 m)
Longest span39 ft (11.8 m)
Deck width36 ft (11 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic331 (2023)
Projected traffic470 by 2042
Trucks58%
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 47 over Gilmore Ditch built?

It was built in 2000, making it 25 years old in 2025. It was reconstructed in 2020.

What condition is County Road 47 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 47 over Gilmore Ditch carry?

About 331 vehicles per day (2023 count), of which roughly 58% are trucks.

How long is County Road 47 over Gilmore Ditch?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (11.8 m) and a deck 36 ft wide.

Who owns County Road 47 over Gilmore Ditch?

It is owned by the County Highway Agency.