US Bridges

Lime Kiln RD over Big Cedar River

Fair

Mitchell County, Iowa · 098173403 · Structure no. 000000000248061

Built
1992
33 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
246 ft
3 main spans
Daily traffic
167
2022 count
Owner
County
County Highway Agency

About this bridge

Lime Kiln RD over Big Cedar River is a prestressed concrete stringer/multi-beam or girder carrying Lime Kiln RD over Big Cedar River in Mitchell County, Iowa. It was built in 1992, so it is 33 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 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 167 vehicles a day, projected to reach 167 by 2043. The structure is 246 ft (75 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLime Kiln RD
CrossesBig Cedar River
Location098173403
RouteCounty Highway 0
CountyMitchell County
StateIowa
Coordinates43.26648, -92.84099
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating40.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length246 ft (75 m)
Longest span82 ft (25 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic167 (2022)
Projected traffic167 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Lime Kiln RD over Big Cedar River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Lime Kiln RD over Big Cedar River 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 December 2023.

How much traffic does Lime Kiln RD over Big Cedar River carry?

About 167 vehicles per day (2022 count).

How long is Lime Kiln RD over Big Cedar River?

The structure is 246 ft (75 m) long with a longest span of 82 ft (25 m) and a deck 32 ft wide.

Who owns Lime Kiln RD over Big Cedar River?

It is owned by the County Highway Agency.