US Bridges

Mexico Ave over West Tollgate Creek

Fair

Arapahoe County, Colorado · Between Chambers/Buckley · Structure no. AUR12.5-J.8

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
9,087
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mexico Ave over West Tollgate Creek is a concrete culvert carrying Mexico Ave over West Tollgate 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 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 9,087 vehicles a day, roughly 4% of them trucks, projected to reach 11,086 by 2041. The structure is 35 ft (10.6 m) long and 193 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMexico Ave
CrossesWest Tollgate Creek
LocationBetween Chambers/Buckley
RouteCity Street 0
Coordinates39.68572, -104.80311
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 inspectionOctober 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length35 ft (10.6 m)
Longest span13 ft (4.1 m)
Deck width193 ft (58.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,087 (2021)
Projected traffic11,086 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Mexico Ave over West Tollgate Creek built?

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

What condition is Mexico Ave over West Tollgate 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 October 2023.

How much traffic does Mexico Ave over West Tollgate Creek carry?

About 9,087 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Mexico Ave over West Tollgate Creek?

The structure is 35 ft (10.6 m) long with a longest span of 13 ft (4.1 m) and a deck 193 ft wide.

Who owns Mexico Ave over West Tollgate Creek?

It is owned by the City or Municipal Highway Agency.