US Bridges

Ia 64 over Bear Creek

Fair

Jackson County, Iowa · 0.9 Mi. E of Sec. Rd. Y34 · Structure no. 000000000030271

Built
1982
43 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
2,090
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 64 over Bear Creek is a concrete continuous slab carrying Ia 64 over Bear Creek in Jackson County, Iowa. It was built in 1982, so it is 43 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 2,090 vehicles a day, roughly 12% of them trucks, projected to reach 2,090 by 2042. The structure is 103 ft (31.4 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIa 64
CrossesBear Creek
Location0.9 Mi. E of Sec. Rd. Y34
RouteState Highway 64
StateIowa
Coordinates42.07507, -90.82353
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68 US tons
Inventory rating42.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,090 (2022)
Projected traffic2,090 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 Ia 64 over Bear Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Ia 64 over Bear Creek 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 May 2023.

How much traffic does Ia 64 over Bear Creek carry?

About 2,090 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Ia 64 over Bear Creek?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 47 ft wide.

Who owns Ia 64 over Bear Creek?

It is owned by the State Highway Agency.