US Bridges

County Road 129 over Branch of Kiowa Creek

Fair

Arapahoe County, Colorado · 1 MI North of CO RD 30 · Structure no. ARA 129-6.0

Built
1964
61 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
609
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 129 over Branch of Kiowa Creek is a prestressed concrete tee beam carrying County Road 129 over Branch of Kiowa Creek in Arapahoe County, Colorado. It was built in 1964, so it is 61 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 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 609 vehicles a day, roughly 4% of them trucks, projected to reach 744 by 2041. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Road 129
CrossesBranch of Kiowa Creek
Location1 MI North of CO RD 30
RouteCounty Highway 0
CountyArapahoe County
StateColorado
Coordinates39.65118, -104.45378
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic609 (2021)
Projected traffic744 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

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 129 over Branch of Kiowa Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is County Road 129 over Branch of 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 129 over Branch of Kiowa Creek carry?

About 609 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is County Road 129 over Branch of Kiowa Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns County Road 129 over Branch of Kiowa Creek?

It is owned by the County Highway Agency.