US Bridges

D12 110th ST over Mcelhaney Creek

Fair

Woodbury County, Iowa · 0894307 · Structure no. 000000000053401

Built
1993
32 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
104 ft
3 main spans
Daily traffic
509
2022 count
Owner
County
County Highway Agency

About this bridge

D12 110th ST over Mcelhaney Creek is a concrete continuous slab carrying D12 110th ST over Mcelhaney Creek in Woodbury County, Iowa. It was built in 1993, so it is 32 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 509 vehicles a day, roughly 11% of them trucks, projected to reach 509 by 2043. The structure is 104 ft (31.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesD12 110th ST
CrossesMcelhaney Creek
Location0894307
RouteCounty Highway 0
CountyWoodbury County
StateIowa
Coordinates42.54733, -95.97168
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating70 US tons
Inventory rating41.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span39 ft (11.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic509 (2022)
Projected traffic509 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 D12 110th ST over Mcelhaney Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is D12 110th ST over Mcelhaney 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 June 2023.

How much traffic does D12 110th ST over Mcelhaney Creek carry?

About 509 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is D12 110th ST over Mcelhaney Creek?

The structure is 104 ft (31.7 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns D12 110th ST over Mcelhaney Creek?

It is owned by the County Highway Agency.