US Bridges

Mahogany Ave over Wolf Creek

Good

Plymouth County, Iowa · 093451502 · Structure no. 000000000276631

Built
2006
19 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
46 ft
1 main span
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

Mahogany Ave over Wolf Creek is a concrete stringer/multi-beam or girder carrying Mahogany Ave over Wolf Creek in Plymouth County, Iowa. It was built in 2006, so it is 19 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 15 vehicles a day, projected to reach 15 by 2044. The structure is 46 ft (14 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMahogany Ave
CrossesWolf Creek
Location093451502
RouteCounty Highway 0
StateIowa
Coordinates42.87398, -96.15511
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2044
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mahogany Ave over Wolf Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Mahogany Ave over Wolf 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 June 2023.

How much traffic does Mahogany Ave over Wolf Creek carry?

About 15 vehicles per day (2022 count).

How long is Mahogany Ave over Wolf Creek?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns Mahogany Ave over Wolf Creek?

It is owned by the County Highway Agency.