US Bridges

US 59 over BNSF RR Road & Ck

Fair

Mills County, Iowa · 1.1 Mi. S of Jct. U.S. 34 · Structure no. 000000000035971

Built
1992
33 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
587 ft
6 main spans
Daily traffic
1,520
2023 count
Owner
State
State Highway Agency

About this bridge

US 59 over BNSF RR Road & Ck is a prestressed concrete stringer/multi-beam or girder carrying US 59 over BNSF RR Road & Ck in Mills County, Iowa. It was built in 1992, so it is 33 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 6 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 1,520 vehicles a day, roughly 19% of them trucks, projected to reach 1,520 by 2043. The structure is 587 ft (178.9 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS 59
CrossesBNSF RR Road & Ck
Location1.1 Mi. S of Jct. U.S. 34
RouteU.S. Route 59
StateIowa
Coordinates41.01602, -95.39669
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length587 ft (178.9 m)
Longest span107 ft (32.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,520 (2023)
Projected traffic1,520 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

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 US 59 over BNSF RR Road & Ck built?

It was built in 1992, making it 33 years old in 2025.

What condition is US 59 over BNSF RR Road & Ck 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 June 2024.

How much traffic does US 59 over BNSF RR Road & Ck carry?

About 1,520 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is US 59 over BNSF RR Road & Ck?

The structure is 587 ft (178.9 m) long with a longest span of 107 ft (32.6 m) and a deck 43 ft wide.

Who owns US 59 over BNSF RR Road & Ck?

It is owned by the State Highway Agency.