US Bridges

Rt Nn E over White Water CR

Fair

St. Francois County, Missouri · S 27 T 35 N R 4 E · Structure no. 155

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
118 ft
3 main spans
Daily traffic
1,771
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Nn E over White Water CR is a concrete tee beam carrying Rt Nn E over White Water CR in St. Francois County, Missouri. It was built in 1958, so it is 67 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 1,771 vehicles a day, roughly 13% of them trucks, projected to reach 2,834 by 2044. The structure is 118 ft (36 m) long and 29 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesRt Nn E
CrossesWhite Water CR
LocationS 27 T 35 N R 4 E
RouteState Highway 0NN
Coordinates37.70683, -90.58786
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length118 ft (36 m)
Longest span43 ft (13 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,771 (2024)
Projected traffic2,834 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Rt Nn E over White Water CR built?

It was built in 1958, making it 67 years old in 2025.

What condition is Rt Nn E over White Water CR 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 October 2024.

How much traffic does Rt Nn E over White Water CR carry?

About 1,771 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Rt Nn E over White Water CR?

The structure is 118 ft (36 m) long with a longest span of 43 ft (13 m) and a deck 29 ft wide.

Who owns Rt Nn E over White Water CR?

It is owned by the State Highway Agency.