US Bridges

Mill St. over Volga River

Poor

Fayette County, Iowa · 000000000 · Structure no. 000000000011590

Built
1963
62 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
3 main spans
Daily traffic
959
2022 count
Owner
County
County Highway Agency

About this bridge

Mill St. over Volga River is a prestressed concrete stringer/multi-beam or girder carrying Mill St. over Volga River in Fayette County, Iowa. It was built in 1963, so it is 62 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 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.

It carries about 959 vehicles a day, projected to reach 959 by 2043. The structure is 220 ft (67.1 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMill St.
CrossesVolga River
Location000000000
RouteCity Street 0
CountyFayette County
StateIowa
Coordinates42.8376, -91.657
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating27.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length220 ft (67.1 m)
Longest span81 ft (24.7 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic959 (2022)
Projected traffic959 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 statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$80,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill St. over Volga River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Mill St. over Volga 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 Mill St. over Volga River carry?

About 959 vehicles per day (2022 count).

How long is Mill St. over Volga River?

The structure is 220 ft (67.1 m) long with a longest span of 81 ft (24.7 m) and a deck 30 ft wide.

Who owns Mill St. over Volga River?

It is owned by the County Highway Agency.