US Bridges

Boyd Lake Road over Wilson Creek

Fair

Knox County, Indiana · 00.97 W of State Road 61 · Structure no. 4200073

Built
2007
18 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
130
2016 count
Owner
County
County Highway Agency

About this bridge

Boyd Lake Road over Wilson Creek is a steel stringer/multi-beam or girder carrying Boyd Lake Road over Wilson Creek in Knox County, Indiana. It was built in 2007, so it is 18 years old, younger than the Indiana 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 130 vehicles a day, roughly 1% of them trucks, projected to reach 170 by 2036. The structure is 48 ft (14.7 m) long and 20 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesBoyd Lake Road
CrossesWilson Creek
Location00.97 W of State Road 61
RouteCounty Highway 0
CountyKnox County
StateIndiana
Coordinates38.58635, -87.35041
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length48 ft (14.7 m)
Longest span43 ft (13.1 m)
Deck width20 ft (6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2016)
Projected traffic170 by 2036
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Boyd Lake Road over Wilson Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Boyd Lake Road over Wilson 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 2023.

How much traffic does Boyd Lake Road over Wilson Creek carry?

About 130 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Boyd Lake Road over Wilson Creek?

The structure is 48 ft (14.7 m) long with a longest span of 43 ft (13.1 m) and a deck 20 ft wide.

Who owns Boyd Lake Road over Wilson Creek?

It is owned by the County Highway Agency.