US Bridges

CR 450 N over Morrison Creek

Fair

Sullivan County, Indiana · 00.04 E of US 41 · Structure no. 7700162

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
61 ft
3 main spans
Daily traffic
140
2011 count
Owner
County
County Highway Agency

About this bridge

CR 450 N over Morrison Creek is a concrete continuous slab carrying CR 450 N over Morrison Creek in Sullivan 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 140 vehicles a day, roughly 6% of them trucks, projected to reach 160 by 2031. The structure is 61 ft (18.5 m) long and 29 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCR 450 N
CrossesMorrison Creek
Location00.04 E of US 41
RouteCounty Highway 248
CountySullivan County
StateIndiana
Coordinates39.15005, -87.40773
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable 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 length61 ft (18.5 m)
Longest span21 ft (6.4 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2011)
Projected traffic160 by 2031
Trucks6%
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 450 N over Morrison Creek built?

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

What condition is CR 450 N over Morrison 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 450 N over Morrison Creek carry?

About 140 vehicles per day (2011 count), of which roughly 6% are trucks.

How long is CR 450 N over Morrison Creek?

The structure is 61 ft (18.5 m) long with a longest span of 21 ft (6.4 m) and a deck 29 ft wide.

Who owns CR 450 N over Morrison Creek?

It is owned by the County Highway Agency.