US Bridges

US 59 over East Soldier River

Fair

Crawford County, Iowa · 2.9 MI S of SR E16 · Structure no. 000000000021510

Built
1948
77 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
3,120
2023 count
Owner
State
State Highway Agency

About this bridge

US 59 over East Soldier River is a steel stringer/multi-beam or girder carrying US 59 over East Soldier River in Crawford County, Iowa. It was built in 1948, so it is 77 years old, older 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 3,120 vehicles a day, roughly 14% of them trucks, projected to reach 3,120 by 2043. The structure is 35 ft (10.7 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 59
CrossesEast Soldier River
Location2.9 MI S of SR E16
RouteU.S. Route 59
StateIowa
Coordinates42.12572, -95.4396
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.2 US tons
Inventory rating35.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,120 (2023)
Projected traffic3,120 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 East Soldier River built?

It was built in 1948, making it 77 years old in 2025.

What condition is US 59 over East Soldier River 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 July 2023.

How much traffic does US 59 over East Soldier River carry?

About 3,120 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 59 over East Soldier River?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 35 ft wide.

Who owns US 59 over East Soldier River?

It is owned by the State Highway Agency.