US Bridges

Peoria Street over Obrian Canal

Fair

Adams County, Colorado · 0.5 MI North of 104th Ave · Structure no. COMC-11-0.5-01A

Built
1984
41 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
3,552
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Peoria Street over Obrian Canal is a prestressed concrete box beam or girders - single or spread carrying Peoria Street over Obrian Canal in Adams County, Colorado. It was built in 1984, so it is 41 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 3,552 vehicles a day, roughly 4% of them trucks, projected to reach 4,617 by 2041. The structure is 64 ft (19.4 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPeoria Street
CrossesObrian Canal
Location0.5 MI North of 104th Ave
RouteCity Street 0
Coordinates39.89251, -104.84667
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 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 rating34.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.4 m)
Longest span58 ft (17.8 m)
Deck width40 ft (12.2 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,552 (2021)
Projected traffic4,617 by 2041
Trucks4%
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

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 Peoria Street over Obrian Canal built?

It was built in 1984, making it 41 years old in 2025.

What condition is Peoria Street over Obrian Canal 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 Peoria Street over Obrian Canal carry?

About 3,552 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Peoria Street over Obrian Canal?

The structure is 64 ft (19.4 m) long with a longest span of 58 ft (17.8 m) and a deck 40 ft wide.

Who owns Peoria Street over Obrian Canal?

It is owned by the City or Municipal Highway Agency.