US Bridges

EB I-80 over Buck Ck & Buck Ck RD

Fair

Cass County, Iowa · 1.9 Mi. E of Jct. Ia 173 · Structure no. 000000000018020

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
171 ft
3 main spans
Daily traffic
11,600
2022 count
Owner
State
State Highway Agency

About this bridge

EB I-80 over Buck Ck & Buck Ck RD is a prestressed concrete stringer/multi-beam or girder carrying EB I-80 over Buck Ck & Buck Ck RD in Cass County, Iowa. It was built in 1965, so it is 60 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 11,600 vehicles a day, roughly 42% of them trucks, projected to reach 11,600 by 2044. The structure is 171 ft (52.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEB I-80
CrossesBuck Ck & Buck Ck RD
Location1.9 Mi. E of Jct. Ia 173
RouteInterstate 80
StateIowa
Coordinates41.49707, -95.02342
Functional classRural Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.7 US tons
Inventory rating50.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span56 ft (17.1 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,600 (2022)
Projected traffic11,600 by 2044
Trucks42%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 EB I-80 over Buck Ck & Buck Ck RD built?

It was built in 1965, making it 60 years old in 2025.

What condition is EB I-80 over Buck Ck & Buck Ck RD 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 March 2024.

How much traffic does EB I-80 over Buck Ck & Buck Ck RD carry?

About 11,600 vehicles per day (2022 count), of which roughly 42% are trucks.

How long is EB I-80 over Buck Ck & Buck Ck RD?

The structure is 171 ft (52.1 m) long with a longest span of 56 ft (17.1 m) and a deck 42 ft wide.

Who owns EB I-80 over Buck Ck & Buck Ck RD?

It is owned by the State Highway Agency.