US Bridges

CR 600 S over Branch Middle Fork Creek

Fair

Sullivan County, Indiana · 00.08 E of CR 325 E · Structure no. 7700120

Built
1935
90 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
110
2011 count
Owner
County
County Highway Agency

About this bridge

CR 600 S over Branch Middle Fork Creek is a concrete slab carrying CR 600 S over Branch Middle Fork Creek in Sullivan County, Indiana. It was built in 1935, so it is 90 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 110 vehicles a day, roughly 2% of them trucks, projected to reach 130 by 2031. The structure is 23 ft (7 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 600 S
CrossesBranch Middle Fork Creek
Location00.08 E of CR 325 E
RouteCounty Highway 30
StateIndiana
Coordinates38.99554, -87.34898
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating26.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2011)
Projected traffic130 by 2031
Trucks2%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$424,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 600 S over Branch Middle Fork Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is CR 600 S over Branch Middle Fork Creek 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 CR 600 S over Branch Middle Fork Creek carry?

About 110 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is CR 600 S over Branch Middle Fork Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns CR 600 S over Branch Middle Fork Creek?

It is owned by the County Highway Agency.