US Bridges

Ol Mormon Br RD over Pigeon CR and UP RR

Fair

Pottawattamie County, Iowa · 076442603 · Structure no. 000000000609040

Built
2005
20 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,281 ft
11 main spans
Daily traffic
4,660
2022 count
Owner
County
County Highway Agency

About this bridge

Ol Mormon Br RD over Pigeon CR and UP RR is a prestressed concrete stringer/multi-beam or girder carrying Ol Mormon Br RD over Pigeon CR and UP RR in Pottawattamie County, Iowa. It was built in 2005, so it is 20 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 4,660 vehicles a day, roughly 10% of them trucks, projected to reach 4,660 by 2043. The structure is 1,281 ft (390.4 m) long and 47 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesOl Mormon Br RD
CrossesPigeon CR and UP RR
Location076442603
RouteCounty Highway 0
CountyPottawattamie County
StateIowa
Coordinates41.35962, -95.88177
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.7 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length1,281 ft (390.4 m)
Longest span141 ft (43 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,660 (2022)
Projected traffic4,660 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed14.9 mi (24 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 Ol Mormon Br RD over Pigeon CR and UP RR built?

It was built in 2005, making it 20 years old in 2025.

What condition is Ol Mormon Br RD over Pigeon CR and UP RR 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 2024.

How much traffic does Ol Mormon Br RD over Pigeon CR and UP RR carry?

About 4,660 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Ol Mormon Br RD over Pigeon CR and UP RR?

The structure is 1,281 ft (390.4 m) long with a longest span of 141 ft (43 m) and a deck 47 ft wide.

Who owns Ol Mormon Br RD over Pigeon CR and UP RR?

It is owned by the County Highway Agency.