US Bridges

180th ST over Beaver Creek

PoorPosted for load

Crawford County, Iowa · 085400902 · Structure no. 000000000130551

Built
2018
7 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

180th ST over Beaver Creek is a steel stringer/multi-beam or girder carrying 180th ST over Beaver Creek in Crawford County, Iowa. It was built in 2018, so it is 7 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 26 vehicles a day, projected to reach 26 by 2044. The structure is 140 ft (42.7 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries180th ST
CrossesBeaver Creek
Location085400902
RouteCounty Highway 0
StateIowa
Coordinates42.19497, -95.51734
Functional classRural Local

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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.3 US tons
Inventory rating21.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1 (+3 approach)
Design loadUnknown
Structure length140 ft (42.7 m)
Longest span56 ft (17.1 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 180th ST over Beaver Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is 180th ST over Beaver 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 April 2024.

How much traffic does 180th ST over Beaver Creek carry?

About 26 vehicles per day (2022 count).

How long is 180th ST over Beaver Creek?

The structure is 140 ft (42.7 m) long with a longest span of 56 ft (17.1 m) and a deck 19 ft wide.

Who owns 180th ST over Beaver Creek?

It is owned by the County Highway Agency.