US Bridges

Dry Ridge-Mount Zi over Arnolds Creek

Poor

Grant County, Kentucky · .8 MI S of JCT Ky 1994 · Structure no. 041C00001N

Built
1965
60 years old
Condition
Poor
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
139
2006 count
Owner
County
County Highway Agency

About this bridge

Dry Ridge-Mount Zi over Arnolds Creek is a prestressed concrete box beam or girders - multiple carrying Dry Ridge-Mount Zi over Arnolds Creek in Grant County, Kentucky. It was built in 1965, so it is 60 years old, older than the Kentucky average of 46.6 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 139 vehicles a day, projected to reach 214 by 2026. The structure is 35 ft (10.7 m) long and 21 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesDry Ridge-Mount Zi
CrossesArnolds Creek
Location.8 MI S of JCT Ky 1994
RouteCounty Highway 1005
CountyGrant County
StateKentucky
Coordinates38.71889, -84.63889
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92.4 US tons
Inventory rating55.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2006)
Projected traffic214 by 2026
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Dry Ridge-Mount Zi over Arnolds Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Dry Ridge-Mount Zi over Arnolds Creek 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 May 2023.

How much traffic does Dry Ridge-Mount Zi over Arnolds Creek carry?

About 139 vehicles per day (2006 count).

How long is Dry Ridge-Mount Zi over Arnolds Creek?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 21 ft wide.

Who owns Dry Ridge-Mount Zi over Arnolds Creek?

It is owned by the County Highway Agency.