US Bridges

160th ST over Volga River

Fair

Fayette County, Iowa · 093102401 · Structure no. 000000000151810

Built
1928
97 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

160th ST over Volga River is a concrete tee beam carrying 160th ST over Volga River in Fayette County, Iowa. It was built in 1928, so it is 97 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 29 vehicles a day, projected to reach 29 by 2044. The structure is 40 ft (12.2 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries160th ST
CrossesVolga River
Location093102401
RouteCounty Highway 0
StateIowa
Coordinates42.86201, -91.97741
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 by 2044
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 160th ST over Volga River built?

It was built in 1928, making it 97 years old in 2025.

What condition is 160th ST over Volga River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does 160th ST over Volga River carry?

About 29 vehicles per day (2022 count).

How long is 160th ST over Volga River?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns 160th ST over Volga River?

It is owned by the County Highway Agency.