US Bridges

Mad Twp RD 149 over Flat Branch

Good

Hancock County, Ohio · 0.54 MI E US 68 · Structure no. 3233065

Built
1971
54 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Mad Twp RD 149 over Flat Branch is a concrete culvert carrying Mad Twp RD 149 over Flat Branch in Hancock 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 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 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMad Twp RD 149
CrossesFlat Branch
Location0.54 MI E US 68
RouteCounty Highway T0149
StateOhio
Coordinates40.84848, -83.64112
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span30 ft (9.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Mad Twp RD 149 over Flat Branch built?

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

What condition is Mad Twp RD 149 over Flat Branch 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 November 2023.

How much traffic does Mad Twp RD 149 over Flat Branch carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Mad Twp RD 149 over Flat Branch?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.2 m).

Who owns Mad Twp RD 149 over Flat Branch?

It is owned by the County Highway Agency.