US Bridges

SR 450 over Adamsen Branch

Fair

Lawrence County, Indiana · 03.31 W SR 158 · Structure no. 032723

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Culvert
Steel
Length
35 ft
2 main spans
Daily traffic
2,339
2004 count
Owner
State
State Highway Agency

About this bridge

SR 450 over Adamsen Branch is a steel culvert carrying SR 450 over Adamsen Branch in Lawrence County, Indiana. It was built in 1985, so it is 40 years old, younger 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 2,339 vehicles a day, roughly 18% of them trucks, projected to reach 3,883 by 2032. The structure is 35 ft (10.6 m) long and 48 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR 450
CrossesAdamsen Branch
Location03.31 W SR 158
RouteState Highway 450
CountyLawrence County
StateIndiana
Coordinates38.83706, -86.56724
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length35 ft (10.6 m)
Longest span15 ft (4.5 m)
Deck width48 ft (14.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,339 (2004)
Projected traffic3,883 by 2032
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 450 over Adamsen Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR 450 over Adamsen Branch 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 2024.

How much traffic does SR 450 over Adamsen Branch carry?

About 2,339 vehicles per day (2004 count), of which roughly 18% are trucks.

How long is SR 450 over Adamsen Branch?

The structure is 35 ft (10.6 m) long with a longest span of 15 ft (4.5 m) and a deck 48 ft wide.

Who owns SR 450 over Adamsen Branch?

It is owned by the State Highway Agency.