US Bridges

TR21 over West Branch Alum Creek

FairPosted for load

Morrow County, Ohio · .2 MI.E.INT.TR162 & TR21 · Structure no. 5930472

Built
1971
54 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
311
2015 count
Owner
County
County Highway Agency

About this bridge

TR21 over West Branch Alum Creek is a steel stringer/multi-beam or girder carrying TR21 over West Branch Alum Creek in Morrow County, Ohio. It was built in 1971, so it is 54 years old, older 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 311 vehicles a day, roughly 8% of them trucks, projected to reach 432 by 2035. The structure is 46 ft (14 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesTR21
CrossesWest Branch Alum Creek
Location.2 MI.E.INT.TR162 & TR21
RouteCounty Highway T0021
CountyMorrow County
StateOhio
Coordinates40.42333, -82.93333
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic311 (2015)
Projected traffic432 by 2035
Trucks8%
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 TR21 over West Branch Alum Creek built?

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

What condition is TR21 over West Branch Alum 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 TR21 over West Branch Alum Creek carry?

About 311 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is TR21 over West Branch Alum Creek?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 20 ft wide.

Who owns TR21 over West Branch Alum Creek?

It is owned by the County Highway Agency.