US Bridges

Dunlapsville Road over Brookville Lake

Fair

Union County, Indiana · 02.20 W of SR 101 · Structure no. 8100020

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
466 ft
3 main spans
Daily traffic
550
2019 count
Owner
County
County Highway Agency

About this bridge

Dunlapsville Road over Brookville Lake is a steel continuous stringer/multi-beam or girder carrying Dunlapsville Road over Brookville Lake in Union County, Indiana. It was built in 1974, so it is 51 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 550 vehicles a day, roughly 5% of them trucks, projected to reach 750 by 2039. The structure is 466 ft (142.1 m) long and 29 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesDunlapsville Road
CrossesBrookville Lake
Location02.20 W of SR 101
RouteCounty Highway 0
StateIndiana
Coordinates39.58779, -84.9875
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.5 US tons
Inventory rating56 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length466 ft (142.1 m)
Longest span172 ft (52.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2019)
Projected traffic750 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$700,000 (2021 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Dunlapsville Road over Brookville Lake built?

It was built in 1974, making it 51 years old in 2025.

What condition is Dunlapsville Road over Brookville Lake 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 May 2023.

How much traffic does Dunlapsville Road over Brookville Lake carry?

About 550 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Dunlapsville Road over Brookville Lake?

The structure is 466 ft (142.1 m) long with a longest span of 172 ft (52.4 m) and a deck 29 ft wide.

Who owns Dunlapsville Road over Brookville Lake?

It is owned by the County Highway Agency.