US Bridges

SR 1 over Mississinewa River

Fair

Randolph County, Indiana · 00.82 S SR 28 · Structure no. 000300

Built
1941
84 years old, rebuilt 2008
Condition
Fair
inspected August 2023
Type
Truss - Thru
Steel
Length
411 ft
2 main spans
Daily traffic
1,120
2007 count
Owner
State
State Highway Agency

About this bridge

SR 1 over Mississinewa River is a steel truss - thru carrying SR 1 over Mississinewa River in Randolph County, Indiana. It was built in 1941 and reconstructed in 2008, so it is 84 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 5 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 1,120 vehicles a day, roughly 10% of them trucks, projected to reach 1,340 by 2032. The structure is 411 ft (125.2 m) long and 29 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesSR 1
CrossesMississinewa River
Location00.82 S SR 28
RouteState Highway 1
CountyRandolph County
StateIndiana
Coordinates40.2812, -85.1484
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length411 ft (125.2 m)
Longest span150 ft (45.7 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2007)
Projected traffic1,340 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1 over Mississinewa River built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 2008.

What condition is SR 1 over Mississinewa 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 August 2023.

How much traffic does SR 1 over Mississinewa River carry?

About 1,120 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is SR 1 over Mississinewa River?

The structure is 411 ft (125.2 m) long with a longest span of 150 ft (45.7 m) and a deck 29 ft wide.

Who owns SR 1 over Mississinewa River?

It is owned by the State Highway Agency.