US Bridges

Central Avenue over I-25

Fair

Laramie County, Wyoming · Cheyenne Marginal · Structure no. EOI

Built
1984
41 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
207 ft
3 main spans
Daily traffic
12,315
2024 count
Owner
State
State Highway Agency

About this bridge

Central Avenue over I-25 is a steel continuous stringer/multi-beam or girder carrying Central Avenue over I-25 in Laramie County, Wyoming. It was built in 1984, so it is 41 years old, younger than the Wyoming average of 48.4 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 12,315 vehicles a day, roughly 3% of them trucks, projected to reach 17,241 by 2043. The structure is 207 ft (63.2 m) long and 94 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCentral Avenue
CrossesI-25
LocationCheyenne Marginal
RouteInterstate 180
CountyLaramie County
StateWyoming
Coordinates41.16716, -104.83971
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating77.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length207 ft (63.2 m)
Longest span145 ft (44.2 m)
Deck width94 ft (28.8 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,315 (2024)
Projected traffic17,241 by 2043
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Central Avenue over I-25 built?

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

What condition is Central Avenue over I-25 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 2023.

How much traffic does Central Avenue over I-25 carry?

About 12,315 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Central Avenue over I-25?

The structure is 207 ft (63.2 m) long with a longest span of 145 ft (44.2 m) and a deck 94 ft wide.

Who owns Central Avenue over I-25?

It is owned by the State Highway Agency.