US Bridges

20th St. over Hunter Creek

PoorPosted for load

Fayette County, Iowa · 091093101 · Structure no. 000000000149761

Built
1998
27 years old
Condition
Poor
inspected October 2023
Type
Culvert
Steel
Length
48 ft
4 main spans
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

20th St. over Hunter Creek is a steel culvert carrying 20th St. over Hunter Creek in Fayette County, Iowa. It was built in 1998, so it is 27 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 34 vehicles a day, projected to reach 34 by 2043. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries20th St.
CrossesHunter Creek
Location091093101
RouteCounty Highway 0
CountyFayette County
StateIowa
Coordinates42.65656, -91.94479
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.3 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 20th St. over Hunter Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is 20th St. over Hunter Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does 20th St. over Hunter Creek carry?

About 34 vehicles per day (2022 count).

How long is 20th St. over Hunter Creek?

The structure is 48 ft (14.6 m) long with a longest span of 9 ft (2.7 m).

Who owns 20th St. over Hunter Creek?

It is owned by the County Highway Agency.