US Bridges

Adams Avenue over Oil Creek Ditch

Fair

Fremont County, Colorado · 0.1 MI W of Mackenzie · Structure no. FRCO 117-ADAMS

Built
1988
37 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

Adams Avenue over Oil Creek Ditch is a steel stringer/multi-beam or girder carrying Adams Avenue over Oil Creek Ditch in Fremont County, Colorado. It was built in 1988, so it is 37 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 29 vehicles a day, projected to reach 33 by 2042. The structure is 22 ft (6.7 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesAdams Avenue
CrossesOil Creek Ditch
Location0.1 MI W of Mackenzie
RouteCounty Highway 0
CountyFremont County
StateColorado
Coordinates38.43221, -105.18096
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.4 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.2 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic33 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Adams Avenue over Oil Creek Ditch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Adams Avenue over Oil Creek 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 January 2025.

How much traffic does Adams Avenue over Oil Creek Ditch carry?

About 29 vehicles per day (2022 count).

How long is Adams Avenue over Oil Creek Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.2 m) and a deck 20 ft wide.

Who owns Adams Avenue over Oil Creek Ditch?

It is owned by the County Highway Agency.