US Bridges

Old Decker Road over Muddy Run

Good

Knox County, Indiana · 1.33 N of State Road 241 · Structure no. 4200534

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
150
2015 count
Owner
County
County Highway Agency

About this bridge

Old Decker Road over Muddy Run is a steel stringer/multi-beam or girder carrying Old Decker Road over Muddy Run in Knox County, Indiana. It was built in 2021, so it is 4 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 1% of them trucks, projected to reach 170 by 2037. The structure is 56 ft (17 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesOld Decker Road
CrossesMuddy Run
Location1.33 N of State Road 241
RouteCounty Highway 0
StateIndiana
Coordinates38.54186, -87.51864
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17 m)
Longest span53 ft (16.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2015)
Projected traffic170 by 2037
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 Old Decker Road over Muddy Run built?

It was built in 2021, making it 4 years old in 2025.

What condition is Old Decker Road over Muddy Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Old Decker Road over Muddy Run carry?

About 150 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Old Decker Road over Muddy Run?

The structure is 56 ft (17 m) long with a longest span of 53 ft (16.1 m) and a deck 24 ft wide.

Who owns Old Decker Road over Muddy Run?

It is owned by the County Highway Agency.