US Bridges

SR 106 over Yellow River

Fair

Marshall County, Indiana · 01.79 E US 6 · Structure no. 001739

Built
1931
94 years old, rebuilt 2020
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
4,633
2018 count
Owner
State
State Highway Agency

About this bridge

SR 106 over Yellow River is a concrete continuous slab carrying SR 106 over Yellow River in Marshall County, Indiana. It was built in 1931 and reconstructed in 2020, so it is 94 years old, older 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 4,633 vehicles a day, roughly 8% of them trucks, projected to reach 13,500 by 2030. The structure is 74 ft (22.6 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR 106
CrossesYellow River
Location01.79 E US 6
RouteState Highway 106
StateIndiana
Coordinates41.44556, -86.17328
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span32 ft (9.8 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,633 (2018)
Projected traffic13,500 by 2030
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 106 over Yellow River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2020.

What condition is SR 106 over Yellow River 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 2023.

How much traffic does SR 106 over Yellow River carry?

About 4,633 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is SR 106 over Yellow River?

The structure is 74 ft (22.6 m) long with a longest span of 32 ft (9.8 m) and a deck 36 ft wide.

Who owns SR 106 over Yellow River?

It is owned by the State Highway Agency.