US Bridges

CR 900E over Mounts Run

Fair

Boone County, Indiana · 00.01 N of CR 150 S · Structure no. 0600134

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
1,230
2017 count
Owner
County
County Highway Agency

About this bridge

CR 900E over Mounts Run is a concrete continuous slab carrying CR 900E over Mounts Run in Boone County, Indiana. It was built in 1970, so it is 55 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 1,230 vehicles a day, roughly 3% of them trucks, projected to reach 1,870 by 2037. The structure is 82 ft (24.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 900E
CrossesMounts Run
Location00.01 N of CR 150 S
RouteCounty Highway 900
CountyBoone County
StateIndiana
Coordinates40.02337, -86.29868
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.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length82 ft (24.9 m)
Longest span32 ft (9.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,230 (2017)
Projected traffic1,870 by 2037
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 900E over Mounts Run built?

It was built in 1970, making it 55 years old in 2025.

What condition is CR 900E 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 900E over Mounts Run carry?

About 1,230 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is CR 900E over Mounts Run?

The structure is 82 ft (24.9 m) long with a longest span of 32 ft (9.7 m) and a deck 26 ft wide.

Who owns CR 900E over Mounts Run?

It is owned by the County Highway Agency.