US Bridges

SH 6 NB over FM 2818

Fair

Brazos County, Texas · 1.98 MI SE of SH 30 · Structure no. 170210004912131

Built
1990
35 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
380 ft
3 main spans
Daily traffic
25,083
2019 count
Owner
State
State Highway Agency

About this bridge

SH 6 NB over FM 2818 is a prestressed concrete stringer/multi-beam or girder carrying SH 6 NB over FM 2818 in Brazos County, Texas. It was built in 1990, so it is 35 years old, younger than the Texas average of 44.4 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 25,083 vehicles a day, roughly 10% of them trucks, projected to reach 38,870 by 2033. The structure is 380 ft (115.8 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSH 6 NB
CrossesFM 2818
Location1.98 MI SE of SH 30
RouteState Highway 6
StateTexas
Coordinates30.60327, -96.29001
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length380 ft (115.8 m)
Longest span95 ft (29 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,083 (2019)
Projected traffic38,870 by 2033
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 6 NB over FM 2818 built?

It was built in 1990, making it 35 years old in 2025.

What condition is SH 6 NB over FM 2818 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 February 2023.

How much traffic does SH 6 NB over FM 2818 carry?

About 25,083 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is SH 6 NB over FM 2818?

The structure is 380 ft (115.8 m) long with a longest span of 95 ft (29 m) and a deck 42 ft wide.

Who owns SH 6 NB over FM 2818?

It is owned by the State Highway Agency.