US Bridges

112th Avenue over Big Dry Creek

Fair

Adams County, Colorado · .25 MI E of Sheridan · Structure no. WST14-8-FA

Built
2002
23 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
16,790
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

112th Avenue over Big Dry Creek is a prestressed concrete stringer/multi-beam or girder carrying 112th Avenue over Big Dry Creek in Adams County, Colorado. It was built in 2002, so it is 23 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 16,790 vehicles a day, roughly 4% of them trucks, projected to reach 21,828 by 2041. The structure is 97 ft (29.7 m) long and 92 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries112th Avenue
CrossesBig Dry Creek
Location.25 MI E of Sheridan
RouteCity Street 0
Coordinates39.89973, -105.04715
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating41.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length97 ft (29.7 m)
Longest span93 ft (28.2 m)
Deck width92 ft (27.9 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,790 (2021)
Projected traffic21,828 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 112th Avenue over Big Dry Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is 112th Avenue 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 December 2023.

How much traffic does 112th Avenue over Big Dry Creek carry?

About 16,790 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is 112th Avenue over Big Dry Creek?

The structure is 97 ft (29.7 m) long with a longest span of 93 ft (28.2 m) and a deck 92 ft wide.

Who owns 112th Avenue over Big Dry Creek?

It is owned by the City or Municipal Highway Agency.