US Bridges

Alexander RD over Unnamed Stream

FairPosted for load

Kenton County, Kentucky · .6 MI N of JCT Ky 177 · Structure no. 059C00010N

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
77
2006 count
Owner
County
County Highway Agency

About this bridge

Alexander RD over Unnamed Stream is a prestressed concrete box beam or girders - multiple carrying Alexander RD over Unnamed Stream in Kenton County, Kentucky. It was built in 1970, so it is 55 years old, older than the Kentucky average of 46.6 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 load restriction.

It carries about 77 vehicles a day, projected to reach 105 by 2026. The structure is 63 ft (19.2 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesAlexander RD
CrossesUnnamed Stream
Location.6 MI N of JCT Ky 177
RouteCounty Highway 1121
CountyKenton County
StateKentucky
Coordinates38.81444, -84.42806
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 protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.3 US tons
Inventory rating21.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span61 ft (18.6 m)
Deck width15 ft (4.6 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2006)
Projected traffic105 by 2026
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Alexander RD over Unnamed Stream built?

It was built in 1970, making it 55 years old in 2025.

What condition is Alexander RD over Unnamed Stream 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 June 2024.

How much traffic does Alexander RD over Unnamed Stream carry?

About 77 vehicles per day (2006 count).

How long is Alexander RD over Unnamed Stream?

The structure is 63 ft (19.2 m) long with a longest span of 61 ft (18.6 m) and a deck 15 ft wide.

Who owns Alexander RD over Unnamed Stream?

It is owned by the County Highway Agency.