US Bridges

FM over Bacon Creek

PoorPosted for load

Ida County, Iowa · 088410504 · Structure no. 000000000186961

Built
1900
125 years old, rebuilt 2003
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
199
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Bacon Creek is a steel stringer/multi-beam or girder carrying FM over Bacon Creek in Ida County, Iowa. It was built in 1900 and reconstructed in 2003, so it is 125 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. Its operating status is: posted for load restriction.

It carries about 199 vehicles a day, roughly 23% of them trucks, projected to reach 199 by 2044. The structure is 44 ft (13.4 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFM
CrossesBacon Creek
Location088410504
RouteCounty Highway 0
StateIowa
Coordinates42.46229, -95.65333
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31 US tons
Inventory rating14.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic199 (2022)
Projected traffic199 by 2044
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$891,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Bacon Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2003.

What condition is FM over Bacon Creek 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 February 2024.

How much traffic does FM over Bacon Creek carry?

About 199 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is FM over Bacon Creek?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 36 ft wide.

Who owns FM over Bacon Creek?

It is owned by the County Highway Agency.