US Bridges

CR 1050S over Branch of Flatrock River

Fair

Rush County, Indiana · 00.10 W of CR 500W · Structure no. 7000184

Built
1940
85 years old, rebuilt 1991
Condition
Fair
inspected May 2023
Type
Culvert
Steel
Length
31 ft
2 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

CR 1050S over Branch of Flatrock River is a steel culvert carrying CR 1050S over Branch of Flatrock River in Rush County, Indiana. It was built in 1940 and reconstructed in 1991, so it is 85 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2039. The structure is 31 ft (9.4 m) long and 22 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCR 1050S
CrossesBranch of Flatrock River
Location00.10 W of CR 500W
RouteCounty Highway 4
StateIndiana
Coordinates39.46569, -85.54868
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.6 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span13 ft (3.9 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic150 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 CR 1050S over Branch of Flatrock River built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1991.

What condition is CR 1050S over Branch of Flatrock 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 May 2023.

How much traffic does CR 1050S over Branch of Flatrock River carry?

About 100 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is CR 1050S over Branch of Flatrock River?

The structure is 31 ft (9.4 m) long with a longest span of 13 ft (3.9 m) and a deck 22 ft wide.

Who owns CR 1050S over Branch of Flatrock River?

It is owned by the County Highway Agency.