US Bridges

Allegheny Drive over Local Drainage

Fair

El Paso County, Colorado · 0.5 MI W Centennial Blvd · Structure no. CSG-D.37-15.67

Built
1984
41 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
314
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Allegheny Drive over Local Drainage is a concrete culvert carrying Allegheny Drive over Local Drainage in El Paso County, Colorado. It was built in 1984, so it is 41 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 314 vehicles a day, projected to reach 412 by 2041. The structure is 21 ft (6.4 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAllegheny Drive
CrossesLocal Drainage
Location0.5 MI W Centennial Blvd
RouteCity Street 0
Coordinates38.93606, -104.87967
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width62 ft (18.8 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic314 (2021)
Projected traffic412 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Allegheny Drive over Local Drainage built?

It was built in 1984, making it 41 years old in 2025.

What condition is Allegheny Drive 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 April 2024.

How much traffic does Allegheny Drive over Local Drainage carry?

About 314 vehicles per day (2021 count).

How long is Allegheny Drive over Local Drainage?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 62 ft wide.

Who owns Allegheny Drive over Local Drainage?

It is owned by the City or Municipal Highway Agency.