US Bridges

Field Entrance over Side Ditch

FairPosted for load

Taylor County, Iowa · 067341707 · Structure no. 000000000321310

Built
1900
125 years old, rebuilt 1998
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

Field Entrance over Side Ditch is a wood or timber stringer/multi-beam or girder carrying Field Entrance over Side Ditch in Taylor County, Iowa. It was built in 1900 and reconstructed in 1998, so it is 125 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2044. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesField Entrance
CrossesSide Ditch
Location067341707
RouteCounty Highway 0
CountyTaylor County
StateIowa
Coordinates40.60793, -94.76612
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.1 US tons
Inventory rating27.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Field Entrance over Side Ditch built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1998.

What condition is Field Entrance over Side Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Field Entrance over Side Ditch carry?

About 10 vehicles per day (2022 count).

How long is Field Entrance over Side Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns Field Entrance over Side Ditch?

It is owned by the County Highway Agency.