US Bridges

Fa-Gaston Ave over Stream

Fair

Mills County, Iowa · 072420501 · Structure no. 000000000246050

Built
1960
65 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
678
2022 count
Owner
County
County Highway Agency

About this bridge

Fa-Gaston Ave over Stream is a prestressed concrete stringer/multi-beam or girder carrying Fa-Gaston Ave over Stream in Mills County, Iowa. It was built in 1960, so it is 65 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 678 vehicles a day, roughly 10% of them trucks, projected to reach 678 by 2043. The structure is 45 ft (13.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFa-Gaston Ave
CrossesStream
Location072420501
RouteCounty Highway 0
CountyMills County
StateIowa
Coordinates41.07326, -95.70018
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating29.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic678 (2022)
Projected traffic678 by 2043
Trucks10%
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 Fa-Gaston Ave over Stream built?

It was built in 1960, making it 65 years old in 2025.

What condition is Fa-Gaston Ave over Stream 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 March 2023.

How much traffic does Fa-Gaston Ave over Stream carry?

About 678 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Fa-Gaston Ave over Stream?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 26 ft wide.

Who owns Fa-Gaston Ave over Stream?

It is owned by the County Highway Agency.