US Bridges

160th ST over L Wapsipinicon River

PoorPosted for load

Fayette County, Iowa · 093101903 · Structure no. 000000000151740

Built
1916
109 years old
Condition
Poor
inspected October 2023
Type
Tee Beam
Concrete
Length
125 ft
3 main spans
Daily traffic
43
2022 count
Owner
County
County Highway Agency

About this bridge

160th ST over L Wapsipinicon River is a concrete tee beam carrying 160th ST over L Wapsipinicon River in Fayette County, Iowa. It was built in 1916, so it is 109 years old, older 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 3 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 43 vehicles a day, roughly 26% of them trucks, projected to reach 43 by 2043. The structure is 125 ft (38.1 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries160th ST
CrossesL Wapsipinicon River
Location093101903
RouteCity Street 0
StateIowa
Coordinates42.86118, -92.08167
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.6 US tons
Inventory rating18.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length125 ft (38.1 m)
Longest span43 ft (13.1 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2022)
Projected traffic43 by 2043
Trucks26%
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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 160th ST over L Wapsipinicon River built?

It was built in 1916, making it 109 years old in 2025.

What condition is 160th ST over L Wapsipinicon River 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 160th ST over L Wapsipinicon River carry?

About 43 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is 160th ST over L Wapsipinicon River?

The structure is 125 ft (38.1 m) long with a longest span of 43 ft (13.1 m) and a deck 20 ft wide.

Who owns 160th ST over L Wapsipinicon River?

It is owned by the County Highway Agency.