US Bridges

M36 80th Ave over Bluebird Creek

Good

Buena Vista County, Iowa · 093370502 · Structure no. 000000000016381

Built
2023
2 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
430
2023 count
Owner
County
County Highway Agency

About this bridge

M36 80th Ave over Bluebird Creek is a concrete continuous culvert carrying M36 80th Ave over Bluebird Creek in Buena Vista County, Iowa. It was built in 2023, so it is 2 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 430 vehicles a day, projected to reach 430 by 2044. The structure is 35 ft (10.7 m) long and 102 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesM36 80th Ave
CrossesBluebird Creek
Location093370502
RouteCounty Highway 0
CountyBuena Vista County
StateIowa
Coordinates42.90881, -95.24965
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating87.5 US tons
Inventory rating67.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width102 ft (31 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2023)
Projected traffic430 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 M36 80th Ave over Bluebird Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is M36 80th Ave over Bluebird 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 July 2024.

How much traffic does M36 80th Ave over Bluebird Creek carry?

About 430 vehicles per day (2023 count).

How long is M36 80th Ave over Bluebird Creek?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m) and a deck 102 ft wide.

Who owns M36 80th Ave over Bluebird Creek?

It is owned by the County Highway Agency.