US Bridges

E Eagle RD over Miller Creek

Poor

Black Hawk County, Iowa · 87-13-24-01-10 · Structure no. 000000000074350

Built
1965
60 years old
Condition
Poor
inspected July 2024
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
255
2022 count
Owner
County
County Highway Agency

About this bridge

E Eagle RD over Miller Creek is a concrete continuous slab carrying E Eagle RD over Miller Creek in Black Hawk 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 255 vehicles a day, roughly 24% of them trucks, projected to reach 255 by 2044. The structure is 125 ft (38.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE Eagle RD
CrossesMiller Creek
Location87-13-24-01-10
RouteCounty Highway 0
StateIowa
Coordinates42.34093, -92.30526
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating33.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length125 ft (38.1 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic255 (2022)
Projected traffic255 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 E Eagle RD over Miller Creek built?

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

What condition is E Eagle RD over Miller Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does E Eagle RD over Miller Creek carry?

About 255 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is E Eagle RD over Miller Creek?

The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns E Eagle RD over Miller Creek?

It is owned by the County Highway Agency.