US Bridges

N 2nd Street over Antelope Creek

Poor

Converse County, Wyoming · T32N R071W S09 · Structure no. FCI

Built
1985
40 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
42 ft
2 main spans
Daily traffic
1,005
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

N 2nd Street over Antelope Creek is a steel continuous stringer/multi-beam or girder carrying N 2nd Street over Antelope Creek in Converse County, Wyoming. It was built in 1985, so it is 40 years old, younger 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 1,005 vehicles a day, roughly 2% of them trucks, projected to reach 1,407 by 2043. The structure is 42 ft (12.8 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN 2nd Street
CrossesAntelope Creek
LocationT32N R071W S09
RouteCity Street 100-1
StateWyoming
Coordinates42.76553, -105.38539
Functional classUrban Local

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating106 US tons
Inventory rating63.1 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span21 ft (6.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,005 (2024)
Projected traffic1,407 by 2043
Trucks2%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$276,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N 2nd Street over Antelope Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is N 2nd Street over Antelope Creek 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 September 2024.

How much traffic does N 2nd Street over Antelope Creek carry?

About 1,005 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is N 2nd Street over Antelope Creek?

The structure is 42 ft (12.8 m) long with a longest span of 21 ft (6.4 m) and a deck 24 ft wide.

Who owns N 2nd Street over Antelope Creek?

It is owned by the City or Municipal Highway Agency.