US Bridges

Toadstool Road over Dirty Creek

Good

Sioux County, Nebraska · JCT US20/N29 18.3E 10.2N · Structure no. C008345515

Built
1991
34 years old
Condition
Good
inspected November 2023
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
115
2011 count
Owner
County
County Highway Agency

About this bridge

Toadstool Road over Dirty Creek is a concrete channel beam carrying Toadstool Road over Dirty Creek in Sioux County, Nebraska. It was built in 1991, so it is 34 years old, younger than the Nebraska average of 47.1 years.

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

It carries about 115 vehicles a day, projected to reach 115 by 2033. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 161.6 mi (260 km).

CarriesToadstool Road
CrossesDirty Creek
LocationJCT US20/N29 18.3E 10.2N
RouteCounty Highway 1215
Coordinates42.8373, -103.5235
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating34.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2011)
Projected traffic115 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed161.6 mi (260 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Toadstool Road over Dirty Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Toadstool Road over Dirty 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 November 2023.

How much traffic does Toadstool Road over Dirty Creek carry?

About 115 vehicles per day (2011 count).

How long is Toadstool Road over Dirty Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns Toadstool Road over Dirty Creek?

It is owned by the County Highway Agency.