US Bridges

CR 100 N over Mud Creek

Fair

Sullivan County, Indiana · 00.17 W of CR 800 E · Structure no. 7700138

Built
1977
48 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
140
2011 count
Owner
County
County Highway Agency

About this bridge

CR 100 N over Mud Creek is a concrete continuous slab carrying CR 100 N over Mud Creek in Sullivan County, Indiana. It was built in 1977, so it is 48 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 2% of them trucks, projected to reach 160 by 2031. The structure is 88 ft (26.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 100 N
CrossesMud Creek
Location00.17 W of CR 800 E
RouteCounty Highway 406
CountySullivan County
StateIndiana
Coordinates39.09897, -87.26267
Functional classRural Minor 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
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum 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 length88 ft (26.8 m)
Longest span33 ft (10 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2011)
Projected traffic160 by 2031
Trucks2%
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 100 N over Mud Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is CR 100 N over Mud 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 100 N over Mud Creek carry?

About 140 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is CR 100 N over Mud Creek?

The structure is 88 ft (26.8 m) long with a longest span of 33 ft (10 m) and a deck 30 ft wide.

Who owns CR 100 N over Mud Creek?

It is owned by the County Highway Agency.