US Bridges

Kentucky Avenue over West Fork 102 River

Poor

Adams County, Iowa · 071341302 · Structure no. 000000000059100

Built
1967
58 years old
Condition
Poor
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

Kentucky Avenue over West Fork 102 River is a prestressed concrete tee beam carrying Kentucky Avenue over West Fork 102 River in Adams County, Iowa. It was built in 1967, so it is 58 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 34 vehicles a day, projected to reach 34 by 2044. The structure is 38 ft (11.6 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKentucky Avenue
CrossesWest Fork 102 River
Location071341302
RouteCounty Highway 0
StateIowa
Coordinates40.95318, -94.71937
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment6: Equal to present minimum criteria
Operating rating48.5 US tons
Inventory rating29.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 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$475,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kentucky Avenue over West Fork 102 River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Kentucky Avenue over West Fork 102 River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Kentucky Avenue over West Fork 102 River carry?

About 34 vehicles per day (2022 count).

How long is Kentucky Avenue over West Fork 102 River?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 20 ft wide.

Who owns Kentucky Avenue over West Fork 102 River?

It is owned by the County Highway Agency.