US Bridges

W 13th Street over Garden Creek

Good

Natrona County, Wyoming · 13th ST - Casper · Structure no. JOC

Built
1992
33 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
6,962
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

W 13th Street over Garden Creek is a concrete continuous culvert carrying W 13th Street over Garden Creek in Natrona County, Wyoming. It was built in 1992, so it is 33 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,962 vehicles a day, roughly 1% of them trucks, projected to reach 9,747 by 2043. The structure is 30 ft (9.2 m) long and 62 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesW 13th Street
CrossesGarden Creek
Location13th ST - Casper
RouteCity Street 4104
StateWyoming
Coordinates42.83725, -106.36101
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span9 ft (2.7 m)
Deck width62 ft (18.9 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,962 (2024)
Projected traffic9,747 by 2043
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W 13th Street over Garden Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is W 13th Street over Garden Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does W 13th Street over Garden Creek carry?

About 6,962 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is W 13th Street over Garden Creek?

The structure is 30 ft (9.2 m) long with a longest span of 9 ft (2.7 m) and a deck 62 ft wide.

Who owns W 13th Street over Garden Creek?

It is owned by the City or Municipal Highway Agency.