US Bridges

Science Ridge RD over Branch-Long Creek

PoorPosted for load

Montgomery County, Kentucky · .2 MI N JCT US 460 · Structure no. 087C00041N

Built
1991
34 years old
Condition
Poor
inspected June 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
24 ft
1 main span
Daily traffic
733
2012 count
Owner
County
County Highway Agency

About this bridge

Science Ridge RD over Branch-Long Creek is a aluminum, wrought iron, or cast iron culvert carrying Science Ridge RD over Branch-Long Creek in Montgomery County, Kentucky. It was built in 1991, so it is 34 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 733 vehicles a day, projected to reach 733 by 2032. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesScience Ridge RD
CrossesBranch-Long Creek
Location.2 MI N JCT US 460
RouteCounty Highway 1107
Coordinates37.97056, -83.81889
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating25.4 US tons
Inventory rating19.3 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic733 (2012)
Projected traffic733 by 2032
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Science Ridge RD over Branch-Long Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Science Ridge RD over Branch-Long 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 June 2023.

How much traffic does Science Ridge RD over Branch-Long Creek carry?

About 733 vehicles per day (2012 count).

How long is Science Ridge RD over Branch-Long Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m).

Who owns Science Ridge RD over Branch-Long Creek?

It is owned by the County Highway Agency.