US Bridges

Mahogany Ave over Trib S Wyacondah Ditch

Good

Davis County, Iowa · 068131902 · Structure no. 000000000133521

Built
2021
4 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
123 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Mahogany Ave over Trib S Wyacondah Ditch is a prestressed concrete stringer/multi-beam or girder carrying Mahogany Ave over Trib S Wyacondah Ditch in Davis County, Iowa. It was built in 2021, so it is 4 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 26 vehicles a day, projected to reach 26 by 2044. The structure is 123 ft (37.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMahogany Ave
CrossesTrib S Wyacondah Ditch
Location068131902
RouteCounty Highway 0
CountyDavis County
StateIowa
Coordinates40.67791, -92.40902
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length123 ft (37.5 m)
Longest span120 ft (36.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mahogany Ave over Trib S Wyacondah Ditch built?

It was built in 2021, making it 4 years old in 2025.

What condition is Mahogany Ave over Trib S Wyacondah Ditch 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 May 2024.

How much traffic does Mahogany Ave over Trib S Wyacondah Ditch carry?

About 26 vehicles per day (2022 count).

How long is Mahogany Ave over Trib S Wyacondah Ditch?

The structure is 123 ft (37.5 m) long with a longest span of 120 ft (36.6 m) and a deck 27 ft wide.

Who owns Mahogany Ave over Trib S Wyacondah Ditch?

It is owned by the County Highway Agency.