US Bridges

AMA-30 Royalton RD over Little Walnut Creek

FairPosted for load

Fairfield County, Ohio · 1.2 MI E of S.R.674 · Structure no. 2331314

Built
1986
39 years old
Condition
Fair
inspected November 2024
Type
Truss - Thru
Steel
Length
65 ft
1 main span
Daily traffic
628
2015 count
Owner
County
County Highway Agency

About this bridge

AMA-30 Royalton RD over Little Walnut Creek is a steel truss - thru carrying AMA-30 Royalton RD over Little Walnut Creek in Fairfield County, Ohio. It was built in 1986, so it is 39 years old, younger than the Ohio average of 47.3 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. Its operating status is: posted for load restriction.

It carries about 628 vehicles a day, roughly 7% of them trucks, projected to reach 872 by 2035. The structure is 65 ft (19.8 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAMA-30 Royalton RD
CrossesLittle Walnut Creek
Location1.2 MI E of S.R.674
RouteCounty Highway T0108
StateOhio
Coordinates39.72546, -82.80846
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
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.2 US tons
Inventory rating21.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span64 ft (19.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic628 (2015)
Projected traffic872 by 2035
Trucks7%
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 AMA-30 Royalton RD over Little Walnut Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is AMA-30 Royalton RD over Little Walnut 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 November 2024.

How much traffic does AMA-30 Royalton RD over Little Walnut Creek carry?

About 628 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is AMA-30 Royalton RD over Little Walnut Creek?

The structure is 65 ft (19.8 m) long with a longest span of 64 ft (19.5 m) and a deck 24 ft wide.

Who owns AMA-30 Royalton RD over Little Walnut Creek?

It is owned by the County Highway Agency.