US Bridges

FM 2100 FR over Jackson Bayou

Fair

Harris County, Texas · 1.8 MI N of US 90 · Structure no. 121020106204197

Built
2012
13 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
1,892
2023 count
Owner
State
State Highway Agency

About this bridge

FM 2100 FR over Jackson Bayou is a concrete culvert carrying FM 2100 FR over Jackson Bayou in Harris County, Texas. It was built in 2012, so it is 13 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 1,892 vehicles a day, roughly 7% of them trucks, projected to reach 2,649 by 2042. The structure is 24 ft (7.3 m) long and 138 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFM 2100 FR
CrossesJackson Bayou
Location1.8 MI N of US 90
RouteState Highway 2100
CountyHarris County
StateTexas
Coordinates29.90896, -95.06741
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width138 ft (42.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,892 (2023)
Projected traffic2,649 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 2100 FR over Jackson Bayou built?

It was built in 2012, making it 13 years old in 2025.

What condition is FM 2100 FR over Jackson Bayou 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 September 2024.

How much traffic does FM 2100 FR over Jackson Bayou carry?

About 1,892 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FM 2100 FR over Jackson Bayou?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 138 ft wide.

Who owns FM 2100 FR over Jackson Bayou?

It is owned by the State Highway Agency.