US Bridges

SH 90 over Harrison Creek

Fair

Grimes County, Texas · 1.8 MI N of FM 1696 · Structure no. 170940031502013

Built
1927
98 years old, rebuilt 1960
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
3,432
2020 count
Owner
State
State Highway Agency

About this bridge

SH 90 over Harrison Creek is a concrete culvert carrying SH 90 over Harrison Creek in Grimes County, Texas. It was built in 1927 and reconstructed in 1960, so it is 98 years old, older 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 3,432 vehicles a day, roughly 17% of them trucks, projected to reach 4,879 by 2039. The structure is 21 ft (6.4 m) long and 46 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesSH 90
CrossesHarrison Creek
Location1.8 MI N of FM 1696
RouteState Highway 90
CountyGrimes County
StateTexas
Coordinates30.80153, -95.94867
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width46 ft (13.9 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,432 (2020)
Projected traffic4,879 by 2039
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 90 over Harrison Creek built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1960.

What condition is SH 90 over Harrison Creek 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 May 2023.

How much traffic does SH 90 over Harrison Creek carry?

About 3,432 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is SH 90 over Harrison Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 46 ft wide.

Who owns SH 90 over Harrison Creek?

It is owned by the State Highway Agency.