US Bridges

SE 45th ST over Over UP RR

Poor

Polk County, Iowa · 078232900 · Structure no. 000000000040750

Built
1962
63 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
157 ft
3 main spans
Daily traffic
148
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

SE 45th ST over Over UP RR is a steel continuous stringer/multi-beam or girder carrying SE 45th ST over Over UP RR in Polk County, Iowa. It was built in 1962, so it is 63 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 148 vehicles a day, projected to reach 148 by 2043. The structure is 157 ft (47.9 m) long and 36 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesSE 45th ST
CrossesOver UP RR
Location078232900
RouteCity Street 0
CountyPolk County
StateIowa
Coordinates41.53874, -93.52492
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic148 (2022)
Projected traffic148 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SE 45th ST over Over UP RR built?

It was built in 1962, making it 63 years old in 2025.

What condition is SE 45th ST over Over UP RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does SE 45th ST over Over UP RR carry?

About 148 vehicles per day (2022 count).

How long is SE 45th ST over Over UP RR?

The structure is 157 ft (47.9 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns SE 45th ST over Over UP RR?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.