US Bridges

Strasburg Road over Kiowa Creek

Poor

Adams County, Colorado · 0.6 MI S of Road 144 · Structure no. ADA39N-138.4152

Built
1960
65 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
80 ft
4 main spans
Daily traffic
299
2021 count
Owner
County
County Highway Agency

About this bridge

Strasburg Road over Kiowa Creek is a steel continuous stringer/multi-beam or girder carrying Strasburg Road over Kiowa Creek in Adams County, Colorado. It was built in 1960, so it is 65 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 3 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 299 vehicles a day, roughly 5% of them trucks, projected to reach 389 by 2041. The structure is 80 ft (24.4 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesStrasburg Road
CrossesKiowa Creek
Location0.6 MI S of Road 144
RouteCounty Highway 0
Coordinates39.94671, -104.32008
Functional classRural Minor 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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.1 US tons
Inventory rating14.4 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans4
Design loadUnknown
Structure length80 ft (24.4 m)
Longest span20 ft (6 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic299 (2021)
Projected traffic389 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Strasburg Road over Kiowa Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Strasburg Road over Kiowa 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 November 2024.

How much traffic does Strasburg Road over Kiowa Creek carry?

About 299 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Strasburg Road over Kiowa Creek?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6 m) and a deck 26 ft wide.

Who owns Strasburg Road over Kiowa Creek?

It is owned by the County Highway Agency.