US Bridges

Royal Oak Church over Flat Creek

Fair

Knox County, Indiana · 01.57 SW Long Road · Structure no. 4200280

Built
1991
34 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
130
2016 count
Owner
County
County Highway Agency

About this bridge

Royal Oak Church over Flat Creek is a concrete channel beam carrying Royal Oak Church over Flat Creek in Knox County, Indiana. It was built in 1991, so it is 34 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 5 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 3% of them trucks, projected to reach 170 by 2036. The structure is 40 ft (12.1 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRoyal Oak Church
CrossesFlat Creek
Location01.57 SW Long Road
RouteCounty Highway 0
CountyKnox County
StateIndiana
Coordinates38.72029, -87.35997
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating32 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length40 ft (12.1 m)
Longest span36 ft (10.9 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2016)
Projected traffic170 by 2036
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Royal Oak Church over Flat Creek built?

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

What condition is Royal Oak Church over Flat 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 Royal Oak Church over Flat Creek carry?

About 130 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Royal Oak Church over Flat Creek?

The structure is 40 ft (12.1 m) long with a longest span of 36 ft (10.9 m) and a deck 22 ft wide.

Who owns Royal Oak Church over Flat Creek?

It is owned by the County Highway Agency.