US Bridges

CR 950E over Mounts Run

Fair

Boone County, Indiana · 00.80 S of CR 100 S · Structure no. 0600137

Built
1893
132 years old, rebuilt 1981
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
110
2017 count
Owner
County
County Highway Agency

About this bridge

CR 950E over Mounts Run is a prestressed concrete box beam or girders - multiple carrying CR 950E over Mounts Run in Boone County, Indiana. It was built in 1893 and reconstructed in 1981, so it is 132 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 3% of them trucks, projected to reach 170 by 2037. The structure is 41 ft (12.4 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCR 950E
CrossesMounts Run
Location00.80 S of CR 100 S
RouteCounty Highway 950
CountyBoone County
StateIndiana
Coordinates40.01545, -86.2888
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.
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 inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating47.8 US tons
Inventory rating34.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span38 ft (11.7 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2017)
Projected traffic170 by 2037
Trucks3%
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 950E over Mounts Run built?

It was built in 1893, making it 132 years old in 2025. It was reconstructed in 1981.

What condition is CR 950E over Mounts Run 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 September 2023.

How much traffic does CR 950E over Mounts Run carry?

About 110 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is CR 950E over Mounts Run?

The structure is 41 ft (12.4 m) long with a longest span of 38 ft (11.7 m) and a deck 20 ft wide.

Who owns CR 950E over Mounts Run?

It is owned by the County Highway Agency.