US Bridges

Mt Pleasant ST over BNSF RR & Osborn

Good

Des Moines County, Iowa · 000234000 · Structure no. 000000000023431

Built
2019
6 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
519 ft
4 main spans
Daily traffic
3,853
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mt Pleasant ST over BNSF RR & Osborn is a prestressed concrete stringer/multi-beam or girder carrying Mt Pleasant ST over BNSF RR & Osborn in Des Moines County, Iowa. It was built in 2019, so it is 6 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,853 vehicles a day, projected to reach 3,853 by 2043. The structure is 519 ft (158.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMt Pleasant ST
CrossesBNSF RR & Osborn
Location000234000
RouteCity Street 0
CountyDes Moines County
StateIowa
Coordinates40.81812, -91.11403
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length519 ft (158.2 m)
Longest span137 ft (41.8 m)
Deck width42 ft (12.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,853 (2022)
Projected traffic3,853 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mt Pleasant ST over BNSF RR & Osborn built?

It was built in 2019, making it 6 years old in 2025.

What condition is Mt Pleasant ST over BNSF RR & Osborn in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.

How much traffic does Mt Pleasant ST over BNSF RR & Osborn carry?

About 3,853 vehicles per day (2022 count).

How long is Mt Pleasant ST over BNSF RR & Osborn?

The structure is 519 ft (158.2 m) long with a longest span of 137 ft (41.8 m) and a deck 42 ft wide.

Who owns Mt Pleasant ST over BNSF RR & Osborn?

It is owned by the City or Municipal Highway Agency.