US Bridges

Lawndale ST over Sims Bayou

Fair

Harris County, Texas · 0.70 MI E of IH 610E · Structure no. 121020B38473001

Built
1989
36 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
258 ft
1 main span
Daily traffic
10,000
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lawndale ST over Sims Bayou is a prestressed concrete stringer/multi-beam or girder carrying Lawndale ST over Sims Bayou in Harris County, Texas. It was built in 1989, so it is 36 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 10,000 vehicles a day, roughly 5% of them trucks, projected to reach 11,000 by 2035. The structure is 258 ft (78.6 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLawndale ST
CrossesSims Bayou
Location0.70 MI E of IH 610E
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.71019, -95.25554
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length258 ft (78.6 m)
Longest span116 ft (35.4 m)
Deck width79 ft (24.1 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2013)
Projected traffic11,000 by 2035
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$197,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lawndale ST over Sims Bayou built?

It was built in 1989, making it 36 years old in 2025.

What condition is Lawndale ST over Sims 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 November 2023.

How much traffic does Lawndale ST over Sims Bayou carry?

About 10,000 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Lawndale ST over Sims Bayou?

The structure is 258 ft (78.6 m) long with a longest span of 116 ft (35.4 m) and a deck 79 ft wide.

Who owns Lawndale ST over Sims Bayou?

It is owned by the City or Municipal Highway Agency.