US Bridges

Tennyson Street over Clear Creek

Poor

Adams County, Colorado · .1 MI N of 54th Ave · Structure no. ADA0.5N-55.2043

Built
1965
60 years old
Condition
Poor
inspected January 2025
Type
Tee Beam
Prestressed Concrete
Length
147 ft
3 main spans
Daily traffic
2,700
2021 count
Owner
County
County Highway Agency

About this bridge

Tennyson Street over Clear Creek is a prestressed concrete tee beam carrying Tennyson Street over Clear Creek in Adams County, Colorado. It was built in 1965, so it is 60 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,700 vehicles a day, roughly 4% of them trucks, projected to reach 3,510 by 2041. The structure is 147 ft (44.9 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTennyson Street
CrossesClear Creek
Location.1 MI N of 54th Ave
RouteCounty Highway 0
Coordinates39.79672, -105.04388
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length147 ft (44.9 m)
Longest span48 ft (14.5 m)
Deck width36 ft (11 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2021)
Projected traffic3,510 by 2041
Trucks4%
Lanes on structure2
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

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 Tennyson Street over Clear Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Tennyson Street over Clear Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does Tennyson Street over Clear Creek carry?

About 2,700 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Tennyson Street over Clear Creek?

The structure is 147 ft (44.9 m) long with a longest span of 48 ft (14.5 m) and a deck 36 ft wide.

Who owns Tennyson Street over Clear Creek?

It is owned by the County Highway Agency.