US Bridges

Ia 140 over Mc Elhaney Creek

Fair

Woodbury County, Iowa · 1.4 Mi. N of US 20 · Structure no. 000000000053201

Built
1983
42 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
151 ft
3 main spans
Daily traffic
1,930
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 140 over Mc Elhaney Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 140 over Mc Elhaney Creek in Woodbury County, Iowa. It was built in 1983, so it is 42 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 1,930 vehicles a day, roughly 10% of them trucks, projected to reach 1,930 by 2043. The structure is 151 ft (46 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIa 140
CrossesMc Elhaney Creek
Location1.4 Mi. N of US 20
RouteState Highway 140
StateIowa
Coordinates42.50084, -96.06864
Functional classRural Minor Arterial

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.
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 inspectionNovember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.2 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length151 ft (46 m)
Longest span61 ft (18.6 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,930 (2022)
Projected traffic1,930 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 140 over Mc Elhaney Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Ia 140 over Mc Elhaney 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 November 2023.

How much traffic does Ia 140 over Mc Elhaney Creek carry?

About 1,930 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Ia 140 over Mc Elhaney Creek?

The structure is 151 ft (46 m) long with a longest span of 61 ft (18.6 m) and a deck 39 ft wide.

Who owns Ia 140 over Mc Elhaney Creek?

It is owned by the State Highway Agency.