US Bridges

FM over Drainage Ditch 2

Poor

Muscatine County, Iowa · 076040701 · Structure no. 000000000257160

Built
1969
56 years old
Condition
Poor
inspected September 2023
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
840
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Drainage Ditch 2 is a concrete continuous slab carrying FM over Drainage Ditch 2 in Muscatine County, Iowa. It was built in 1969, so it is 56 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 840 vehicles a day, roughly 10% of them trucks, projected to reach 840 by 2043. The structure is 77 ft (23.5 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFM
CrossesDrainage Ditch 2
Location076040701
RouteCounty Highway 0
CountyMuscatine County
StateIowa
Coordinates41.40875, -91.35726
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length77 ft (23.5 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2022)
Projected traffic840 by 2043
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Drainage Ditch 2 built?

It was built in 1969, making it 56 years old in 2025.

What condition is FM over Drainage Ditch 2 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 September 2023.

How much traffic does FM over Drainage Ditch 2 carry?

About 840 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is FM over Drainage Ditch 2?

The structure is 77 ft (23.5 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns FM over Drainage Ditch 2?

It is owned by the County Highway Agency.