US Bridges

18th Street over Williams + Dry Creeks

Fair

Pueblo County, Colorado · At Graham Ave. · Structure no. PUE18TH-0.0-GRH

Built
1973
52 years old
Condition
Fair
inspected December 2024
Type
Culvert
Steel
Length
142 ft
5 main spans
Daily traffic
7,621
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

18th Street over Williams + Dry Creeks is a steel culvert carrying 18th Street over Williams + Dry Creeks in Pueblo County, Colorado. It was built in 1973, so it is 52 years old, older 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 7,621 vehicles a day, roughly 7% of them trucks, projected to reach 8,993 by 2041. The structure is 142 ft (43.2 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries18th Street
CrossesWilliams + Dry Creeks
LocationAt Graham Ave.
RouteCity Street 0
Coordinates38.28354, -104.63995
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20 + Mod
Structure length142 ft (43.2 m)
Longest span22 ft (6.6 m)
Deck width85 ft (26 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,621 (2021)
Projected traffic8,993 by 2041
Trucks7%
Lanes on structure3
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 18th Street over Williams + Dry Creeks built?

It was built in 1973, making it 52 years old in 2025.

What condition is 18th Street over Williams + Dry Creeks 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 2024.

How much traffic does 18th Street over Williams + Dry Creeks carry?

About 7,621 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is 18th Street over Williams + Dry Creeks?

The structure is 142 ft (43.2 m) long with a longest span of 22 ft (6.6 m) and a deck 85 ft wide.

Who owns 18th Street over Williams + Dry Creeks?

It is owned by the City or Municipal Highway Agency.