US Bridges

112th ST over Buck Creek

Fair

Buchanan County, Iowa · 090100703 · Structure no. 000000000084121

Built
2001
24 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

112th ST over Buck Creek is a concrete continuous slab carrying 112th ST over Buck Creek in Buchanan County, Iowa. It was built in 2001, so it is 24 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 25 vehicles a day, roughly 16% of them trucks, projected to reach 25 by 2044. The structure is 125 ft (38.1 m) long and 32 ft wide.

Carries112th ST
CrossesBuck Creek
Location090100703
RouteCounty Highway 0
StateIowa
Coordinates42.62376, -92.07864
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating97.6 US tons
Inventory rating58.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 112th ST over Buck Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is 112th ST over Buck 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 January 2024.

How much traffic does 112th ST over Buck Creek carry?

About 25 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is 112th ST over Buck Creek?

The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns 112th ST over Buck Creek?

It is owned by the County Highway Agency.