US Bridges

P Perry Road over Mariah Creek

Good

Knox County, Indiana · 00.25 SE of Springtown Ro · Structure no. 4200186

Built
1971
54 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
182 ft
3 main spans
Daily traffic
250
2015 count
Owner
County
County Highway Agency

About this bridge

P Perry Road over Mariah Creek is a concrete continuous stringer/multi-beam or girder carrying P Perry Road over Mariah Creek in Knox County, Indiana. It was built in 1971, so it is 54 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, roughly 6% of them trucks, projected to reach 330 by 2035. The structure is 182 ft (55.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesP Perry Road
CrossesMariah Creek
Location00.25 SE of Springtown Ro
RouteCounty Highway 0
CountyKnox County
StateIndiana
Coordinates38.81125, -87.41785
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length182 ft (55.4 m)
Longest span74 ft (22.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2015)
Projected traffic330 by 2035
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 P Perry Road over Mariah Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is P Perry Road over Mariah Creek 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 P Perry Road over Mariah Creek carry?

About 250 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is P Perry Road over Mariah Creek?

The structure is 182 ft (55.4 m) long with a longest span of 74 ft (22.5 m) and a deck 27 ft wide.

Who owns P Perry Road over Mariah Creek?

It is owned by the County Highway Agency.