US Bridges

FM 252nd ST over Flood Plain of Wapsi R

Fair

Bremer County, Iowa · 091112103 · Structure no. 000000000078521

Built
1985
40 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
160 ft
4 main spans
Daily traffic
432
2022 count
Owner
County
County Highway Agency

About this bridge

FM 252nd ST over Flood Plain of Wapsi R is a concrete continuous slab carrying FM 252nd ST over Flood Plain of Wapsi R in Bremer County, Iowa. It was built in 1985, so it is 40 years old, younger 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 432 vehicles a day, roughly 10% of them trucks, projected to reach 432 by 2043. The structure is 160 ft (48.8 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 252nd ST
CrossesFlood Plain of Wapsi R
Location091112103
RouteCounty Highway 0
StateIowa
Coordinates42.68209, -92.15572
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.9 US tons
Inventory rating33.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length160 ft (48.8 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic432 (2022)
Projected traffic432 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 252nd ST over Flood Plain of Wapsi R built?

It was built in 1985, making it 40 years old in 2025.

What condition is FM 252nd ST over Flood Plain of Wapsi R 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 April 2023.

How much traffic does FM 252nd ST over Flood Plain of Wapsi R carry?

About 432 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is FM 252nd ST over Flood Plain of Wapsi R?

The structure is 160 ft (48.8 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns FM 252nd ST over Flood Plain of Wapsi R?

It is owned by the County Highway Agency.