US Bridges

SR 81 over Little Hog Creek

Fair

Allen County, Ohio · 6.42 Mi. East of Ir 75 · Structure no. 0203513

Built
1962
63 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
3,194
2015 count
Owner
State
State Highway Agency

About this bridge

SR 81 over Little Hog Creek is a concrete continuous slab carrying SR 81 over Little Hog Creek in Allen County, Ohio. It was built in 1962, so it is 63 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.

It carries about 3,194 vehicles a day, roughly 4% of them trucks, projected to reach 4,433 by 2035. The structure is 112 ft (34.1 m) long and 44 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesSR 81
CrossesLittle Hog Creek
Location6.42 Mi. East of Ir 75
RouteState Highway 81
CountyAllen County
StateOhio
Coordinates40.76723, -83.95529
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length112 ft (34.1 m)
Longest span43 ft (13 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,194 (2015)
Projected traffic4,433 by 2035
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 81 over Little Hog Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is SR 81 over Little Hog 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 October 2024.

How much traffic does SR 81 over Little Hog Creek carry?

About 3,194 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is SR 81 over Little Hog Creek?

The structure is 112 ft (34.1 m) long with a longest span of 43 ft (13 m) and a deck 44 ft wide.

Who owns SR 81 over Little Hog Creek?

It is owned by the State Highway Agency.