US Bridges

County RD 217 over First Creek

Fair

Arapahoe County, Colorado · 2.2 MI N of CR 34 · Structure no. ARA 217-6.1

Built
1950
75 years old, rebuilt 2004
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
40 ft
2 main spans
Daily traffic
174
2021 count
Owner
County
County Highway Agency

About this bridge

County RD 217 over First Creek is a steel continuous stringer/multi-beam or girder carrying County RD 217 over First Creek in Arapahoe County, Colorado. It was built in 1950 and reconstructed in 2004, so it is 75 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 174 vehicles a day, roughly 1% of them trucks, projected to reach 212 by 2041. The structure is 40 ft (12.3 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty RD 217
CrossesFirst Creek
Location2.2 MI N of CR 34
RouteCounty Highway 0
CountyArapahoe County
StateColorado
Coordinates39.65458, -104.0418
Functional classRural Major Collector

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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating93.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span19 ft (5.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic174 (2021)
Projected traffic212 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 RD 217 over First Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2004.

What condition is County RD 217 over First 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 RD 217 over First Creek carry?

About 174 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is County RD 217 over First Creek?

The structure is 40 ft (12.3 m) long with a longest span of 19 ft (5.9 m) and a deck 35 ft wide.

Who owns County RD 217 over First Creek?

It is owned by the County Highway Agency.