US Bridges

I 35 NB over UP RR Ep True Creek

Good

Polk County, Iowa · 1.2 Mi. S of S Jct. I-80 · Structure no. 000000000041211

Built
2014
11 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
447 ft
4 main spans
Daily traffic
36,600
2022 count
Owner
State
State Highway Agency

About this bridge

I 35 NB over UP RR Ep True Creek is a prestressed concrete stringer/multi-beam or girder carrying I 35 NB over UP RR Ep True Creek in Polk County, Iowa. It was built in 2014, so it is 11 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 36,600 vehicles a day, roughly 12% of them trucks, projected to reach 36,600 by 2043. The structure is 447 ft (136.3 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 35 NB
CrossesUP RR Ep True Creek
Location1.2 Mi. S of S Jct. I-80
RouteInterstate 35
CountyPolk County
StateIowa
Coordinates41.57418, -93.77709
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
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 length447 ft (136.3 m)
Longest span137 ft (41.8 m)
Deck width78 ft (23.9 m)
Roadway width75 ft (23 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,600 (2022)
Projected traffic36,600 by 2043
Trucks12%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 35 NB over UP RR Ep True Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is I 35 NB over UP RR Ep True Creek 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 August 2023.

How much traffic does I 35 NB over UP RR Ep True Creek carry?

About 36,600 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I 35 NB over UP RR Ep True Creek?

The structure is 447 ft (136.3 m) long with a longest span of 137 ft (41.8 m) and a deck 78 ft wide.

Who owns I 35 NB over UP RR Ep True Creek?

It is owned by the State Highway Agency.