US Bridges

M50 160th Ave over Unnamed Creek

Good

Buena Vista County, Iowa · 090360302 · Structure no. 000000000084431

Built
2022
3 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
249
2022 count
Owner
County
County Highway Agency

About this bridge

M50 160th Ave over Unnamed Creek is a concrete culvert carrying M50 160th Ave over Unnamed Creek in Buena Vista County, Iowa. It was built in 2022, so it is 3 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 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 249 vehicles a day, roughly 20% of them trucks, projected to reach 249 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesM50 160th Ave
CrossesUnnamed Creek
Location090360302
RouteCounty Highway 0
CountyBuena Vista County
StateIowa
Coordinates42.64641, -95.09234
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.
Culvert9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic249 (2022)
Projected traffic249 by 2043
Trucks20%
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 M50 160th Ave over Unnamed Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is M50 160th Ave over Unnamed 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 June 2023.

How much traffic does M50 160th Ave over Unnamed Creek carry?

About 249 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is M50 160th Ave over Unnamed Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns M50 160th Ave over Unnamed Creek?

It is owned by the County Highway Agency.