US Bridges

M-41 / E Ave over Unamed Creek

Good

Page County, Iowa · 070393604 · Structure no. 000000000268621

Built
2004
21 years old
Condition
Good
inspected November 2022
Type
Slab
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
199
2022 count
Owner
County
County Highway Agency

About this bridge

M-41 / E Ave over Unamed Creek is a concrete continuous slab carrying M-41 / E Ave over Unamed Creek in Page County, Iowa. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 199 vehicles a day, roughly 12% of them trucks, projected to reach 199 by 2042. The structure is 115 ft (35.1 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesM-41 / E Ave
CrossesUnamed Creek
Location070393604
RouteCounty Highway 0
StateIowa
Coordinates40.81634, -95.28947
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating91.9 US tons
Inventory rating55.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic199 (2022)
Projected traffic199 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-41 / E Ave over Unamed Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is M-41 / E Ave over Unamed 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 November 2022.

How much traffic does M-41 / E Ave over Unamed Creek carry?

About 199 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is M-41 / E Ave over Unamed Creek?

The structure is 115 ft (35.1 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns M-41 / E Ave over Unamed Creek?

It is owned by the County Highway Agency.