US Bridges

FA-250th ST over Keg Creek

Fair

Mills County, Iowa · 073421704 · Structure no. 000000000247041

Built
1974
51 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
181 ft
3 main spans
Daily traffic
577
2022 count
Owner
County
County Highway Agency

About this bridge

FA-250th ST over Keg Creek is a steel continuous stringer/multi-beam or girder carrying FA-250th ST over Keg Creek in Mills County, Iowa. It was built in 1974, so it is 51 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 5 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 577 vehicles a day, roughly 8% of them trucks, projected to reach 577 by 2043. The structure is 181 ft (55.2 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFA-250th ST
CrossesKeg Creek
Location073421704
RouteCounty Highway 0
CountyMills County
StateIowa
Coordinates41.13051, -95.70955
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating42.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length181 ft (55.2 m)
Longest span68 ft (20.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic577 (2022)
Projected traffic577 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-250th ST over Keg Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is FA-250th ST over Keg Creek 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 February 2023.

How much traffic does FA-250th ST over Keg Creek carry?

About 577 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is FA-250th ST over Keg Creek?

The structure is 181 ft (55.2 m) long with a longest span of 68 ft (20.7 m) and a deck 32 ft wide.

Who owns FA-250th ST over Keg Creek?

It is owned by the County Highway Agency.