US Bridges

Mason LN over Montgomery Creek

Fair

Christian County, Kentucky · 1.6 M E of JCT Ky 115 · Structure no. 024C00098N

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
51
2010 count
Owner
County
County Highway Agency

About this bridge

Mason LN over Montgomery Creek is a prestressed concrete box beam or girders - multiple carrying Mason LN over Montgomery Creek in Christian County, Kentucky. It was built in 1987, so it is 38 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 51 vehicles a day, projected to reach 51 by 2030. The structure is 80 ft (24.4 m) long and 22 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesMason LN
CrossesMontgomery Creek
Location1.6 M E of JCT Ky 115
RouteCounty Highway 1178
CountyChristian County
StateKentucky
Coordinates36.74667, -87.34278
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.7 US tons
Inventory rating29.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span75 ft (23 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2010)
Projected traffic51 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Mason LN over Montgomery Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Mason LN over Montgomery Creek 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 September 2024.

How much traffic does Mason LN over Montgomery Creek carry?

About 51 vehicles per day (2010 count).

How long is Mason LN over Montgomery Creek?

The structure is 80 ft (24.4 m) long with a longest span of 75 ft (23 m) and a deck 22 ft wide.

Who owns Mason LN over Montgomery Creek?

It is owned by the County Highway Agency.