US Bridges

Eastern Ave over Red Oak Creek

Good

Montgomery County, Iowa · 000000000 · Structure no. 000000000009861

Built
1980
45 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
649
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Eastern Ave over Red Oak Creek is a concrete continuous slab carrying Eastern Ave over Red Oak Creek in Montgomery County, Iowa. It was built in 1980, so it is 45 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 649 vehicles a day, projected to reach 649 by 2043. The structure is 88 ft (26.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEastern Ave
CrossesRed Oak Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates41.00967, -95.21388
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.1 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span34 ft (10.4 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic649 (2022)
Projected traffic649 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Eastern Ave over Red Oak Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Eastern Ave over Red Oak Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Eastern Ave over Red Oak Creek carry?

About 649 vehicles per day (2022 count).

How long is Eastern Ave over Red Oak Creek?

The structure is 88 ft (26.8 m) long with a longest span of 34 ft (10.4 m) and a deck 40 ft wide.

Who owns Eastern Ave over Red Oak Creek?

It is owned by the City or Municipal Highway Agency.