US Bridges

County Road 30 over Kiowa Creek

Fair

Arapahoe County, Colorado · 1.1 Miles E of CR 129 · Structure no. ARA 30-33.1A

Built
1983
42 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
220 ft
4 main spans
Daily traffic
1,208
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 30 over Kiowa Creek is a prestressed concrete tee beam carrying County Road 30 over Kiowa Creek in Arapahoe County, Colorado. It was built in 1983, so it is 42 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 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 1,208 vehicles a day, roughly 9% of them trucks, projected to reach 1,474 by 2041. The structure is 220 ft (67.1 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCounty Road 30
CrossesKiowa Creek
Location1.1 Miles E of CR 129
RouteCounty Highway 0
Coordinates39.63651, -104.43365
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length220 ft (67.1 m)
Longest span51 ft (15.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,208 (2021)
Projected traffic1,474 by 2041
Trucks9%
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 County Road 30 over Kiowa Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is County Road 30 over Kiowa Creek 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 November 2023.

How much traffic does County Road 30 over Kiowa Creek carry?

About 1,208 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is County Road 30 over Kiowa Creek?

The structure is 220 ft (67.1 m) long with a longest span of 51 ft (15.5 m) and a deck 35 ft wide.

Who owns County Road 30 over Kiowa Creek?

It is owned by the County Highway Agency.