US Bridges

County Line Road over Local Drainage

Fair

Arapahoe County, Colorado · 0.35 MI East of Peoria ST · Structure no. DOU08E-00.35

Built
2002
23 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
4,393
2021 count
Owner
County
County Highway Agency

About this bridge

County Line Road over Local Drainage is a concrete culvert carrying County Line Road over Local Drainage in Arapahoe County, Colorado. It was built in 2002, so it is 23 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 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 4,393 vehicles a day, roughly 10% of them trucks, projected to reach 5,886 by 2041. The structure is 23 ft (7 m) long and 117 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty Line Road
CrossesLocal Drainage
Location0.35 MI East of Peoria ST
RouteCounty Highway 0
Coordinates39.5661, -104.83444
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating105.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width117 ft (35.7 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,393 (2021)
Projected traffic5,886 by 2041
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Line Road over Local Drainage built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Line Road over Local Drainage 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 January 2025.

How much traffic does County Line Road over Local Drainage carry?

About 4,393 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is County Line Road over Local Drainage?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 117 ft wide.

Who owns County Line Road over Local Drainage?

It is owned by the County Highway Agency.