US Bridges

Gumwood RD over Outlet Arm Ditch

Fair

Marshall County, Indiana · 00.60 N of SR 10 · Structure no. 5000127

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
32 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Gumwood RD over Outlet Arm Ditch is a wood or timber slab carrying Gumwood RD over Outlet Arm Ditch in Marshall County, Indiana. It was built in 1987, so it is 38 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 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 100 vehicles a day, roughly 6% of them trucks, projected to reach 150 by 2042. The structure is 32 ft (9.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGumwood RD
CrossesOutlet Arm Ditch
Location00.60 N of SR 10
RouteCounty Highway 71
StateIndiana
Coordinates41.2424, -86.17745
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.8 US tons
Inventory rating59.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic150 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Gumwood RD over Outlet Arm Ditch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Gumwood RD over Outlet Arm Ditch 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 Gumwood RD over Outlet Arm Ditch carry?

About 100 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Gumwood RD over Outlet Arm Ditch?

The structure is 32 ft (9.7 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns Gumwood RD over Outlet Arm Ditch?

It is owned by the County Highway Agency.