US Bridges

T76 Cheyenne over Unnamed Stream

Good

Chickasaw County, Iowa · 096140302 · Structure no. 000000000366480

Built
2019
6 years old
Condition
Good
inspected March 2022
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
255
2022 count
Owner
County
County Highway Agency

About this bridge

T76 Cheyenne over Unnamed Stream is a concrete continuous culvert carrying T76 Cheyenne over Unnamed Stream in Chickasaw County, Iowa. It was built in 2019, so it is 6 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 255 vehicles a day, roughly 41% of them trucks, projected to reach 255 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT76 Cheyenne
CrossesUnnamed Stream
Location096140302
RouteCounty Highway 0
StateIowa
Coordinates43.1591, -92.49542
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic255 (2022)
Projected traffic255 by 2043
Trucks41%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T76 Cheyenne over Unnamed Stream built?

It was built in 2019, making it 6 years old in 2025.

What condition is T76 Cheyenne over Unnamed Stream 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 March 2022.

How much traffic does T76 Cheyenne over Unnamed Stream carry?

About 255 vehicles per day (2022 count), of which roughly 41% are trucks.

How long is T76 Cheyenne over Unnamed Stream?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns T76 Cheyenne over Unnamed Stream?

It is owned by the County Highway Agency.