US Bridges

US 30 over Floodwater Creek

Poor

Albany County, Wyoming · Bosler JCT - Laramie · Structure no. CJE

Built
1946
79 years old
Condition
Poor
inspected May 2024
Type
Slab
Concrete
Length
51 ft
3 main spans
Daily traffic
1,530
2024 count
Owner
State
State Highway Agency

About this bridge

US 30 over Floodwater Creek is a concrete slab carrying US 30 over Floodwater Creek in Albany County, Wyoming. It was built in 1946, so it is 79 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 1,530 vehicles a day, roughly 17% of them trucks, projected to reach 2,142 by 2043. The structure is 51 ft (15.5 m) long and 46 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

Open in Google Maps
CarriesUS 30
CrossesFloodwater Creek
LocationBosler JCT - Laramie
RouteU.S. Route 30
CountyAlbany County
StateWyoming
Coordinates41.51198, -105.65746
Functional classRural Minor Arterial

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span17 ft (5.2 m)
Deck width46 ft (14.1 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,530 (2024)
Projected traffic2,142 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 km)
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$7,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 30 over Floodwater Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is US 30 over Floodwater 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 May 2024.

How much traffic does US 30 over Floodwater Creek carry?

About 1,530 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is US 30 over Floodwater Creek?

The structure is 51 ft (15.5 m) long with a longest span of 17 ft (5.2 m) and a deck 46 ft wide.

Who owns US 30 over Floodwater Creek?

It is owned by the State Highway Agency.