US Bridges

160th Avenue over Local Drainage

Good

Adams County, Colorado · 0.3 MI E of Manila RD · Structure no. ADA160-28.3N127

Built
1993
32 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
81
2021 count
Owner
County
County Highway Agency

About this bridge

160th Avenue over Local Drainage is a steel stringer/multi-beam or girder carrying 160th Avenue over Local Drainage in Adams County, Colorado. It was built in 1993, so it is 32 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 81 vehicles a day, roughly 5% of them trucks, projected to reach 105 by 2041. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries160th Avenue
CrossesLocal Drainage
Location0.3 MI E of Manila RD
RouteCounty Highway 0
Coordinates39.98504, -104.52147
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
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 alignment7: Better than present minimum criteria
Operating rating49.1 US tons
Inventory rating25.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2021)
Projected traffic105 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 160th Avenue over Local Drainage built?

It was built in 1993, making it 32 years old in 2025.

What condition is 160th Avenue over Local Drainage in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does 160th Avenue over Local Drainage carry?

About 81 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 160th Avenue over Local Drainage?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7.1 m) and a deck 28 ft wide.

Who owns 160th Avenue over Local Drainage?

It is owned by the County Highway Agency.