US Bridges

LA Cnty RD 224-1 over I-25

Poor

Laramie County, Wyoming · Cheyenne - Chugwater · Structure no. ABY

Built
1959
66 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
4 main spans
Daily traffic
81
2024 count
Owner
State
State Highway Agency

About this bridge

LA Cnty RD 224-1 over I-25 is a steel continuous stringer/multi-beam or girder carrying LA Cnty RD 224-1 over I-25 in Laramie County, Wyoming. It was built in 1959, so it is 66 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 81 vehicles a day, roughly 19% of them trucks, projected to reach 113 by 2043. The structure is 237 ft (72.1 m) long and 33 ft wide.

CarriesLA Cnty RD 224-1
CrossesI-25
LocationCheyenne - Chugwater
RouteCounty Highway 224-1
StateWyoming
Coordinates41.34916, -104.86863
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.3 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length237 ft (72.1 m)
Longest span64 ft (19.4 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2024)
Projected traffic113 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA Cnty RD 224-1 over I-25 built?

It was built in 1959, making it 66 years old in 2025.

What condition is LA Cnty RD 224-1 over I-25 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does LA Cnty RD 224-1 over I-25 carry?

About 81 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is LA Cnty RD 224-1 over I-25?

The structure is 237 ft (72.1 m) long with a longest span of 64 ft (19.4 m) and a deck 33 ft wide.

Who owns LA Cnty RD 224-1 over I-25?

It is owned by the State Highway Agency.