50th St. over Otter Creek

Good

Fayette County, Iowa · 091091801 · Structure no. 000000000149671

Built: 2008; 17 years old
Condition: Good; inspected October 2023
Type: Culvert; Concrete Continuous
Length: 51 ft; 4 main spans
Daily traffic: 59; 2022 count
Owner: County; County Highway Agency

About this bridge

50th St. over Otter Creek is a concrete continuous culvert carrying 50th St. over Otter Creek in Fayette County, Iowa. It was built in 2008, so it is 17 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 59 vehicles a day, projected to reach 59 by 2043. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps

Carries50th St.

CrossesOtter Creek

Location091091801

RouteCounty Highway 0

CountyFayette County

StateIowa

Coordinates42.70028, -91.94601

Functional classRural Local

Condition and inspection

Good

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

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	8 Very Good	No problems noted.

Last inspectionOctober 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating31.4 US tons

Inventory rating23.9 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans4

Design loadHS 20

Structure length51 ft (15.5 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 traffic59 (2022)

Projected traffic59 by 2043

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.7 mi (6 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency

Maintained byCounty Highway Agency

Historic statusPossibly eligible for the National Register; requires further investigation

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was 50th St. over Otter Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is 50th St. over Otter 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 October 2023.

How much traffic does 50th St. over Otter Creek carry?

About 59 vehicles per day (2022 count).

How long is 50th St. over Otter Creek?

The structure is 51 ft (15.5 m) long with a longest span of 12 ft (3.7 m).

Who owns 50th St. over Otter Creek?

It is owned by the County Highway Agency.