US Bridges

Gravens RD 817 over Branch

Good

Lincoln County, Missouri · S 28 T 49 N R 1 E · Structure no. 28681

Built
2000
25 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Gravens RD 817 over Branch is a concrete slab carrying Gravens RD 817 over Branch in Lincoln County, Missouri. It was built in 2000, so it is 25 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 480 by 2043. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGravens RD 817
CrossesBranch
LocationS 28 T 49 N R 1 E
RouteCounty Highway 233
Coordinates38.97383, -90.90333
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadOther
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic480 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gravens RD 817 over Branch built?

It was built in 2000, making it 25 years old in 2025.

What condition is Gravens RD 817 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Gravens RD 817 over Branch carry?

About 300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Gravens RD 817 over Branch?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns Gravens RD 817 over Branch?

It is owned by the County Highway Agency.