US Bridges

IH 20 Ml & Nfr over Little Sis Creek

Fair

Harrison County, Texas · 2.20 MI SE of US 80 · Structure no. 191030049510114

Built
1936
89 years old, rebuilt 1985
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
33,793
2019 count
Owner
State
State Highway Agency

About this bridge

IH 20 Ml & Nfr over Little Sis Creek is a concrete culvert carrying IH 20 Ml & Nfr over Little Sis Creek in Harrison County, Texas. It was built in 1936 and reconstructed in 1985, so it is 89 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 33,793 vehicles a day, roughly 38% of them trucks, projected to reach 45,080 by 2033. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 20 Ml & Nfr
CrossesLittle Sis Creek
Location2.20 MI SE of US 80
RouteInterstate 20
StateTexas
Coordinates32.48594, -94.12445
Functional classRural Principal Arterial - Interstate

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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length38 ft (11.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,793 (2019)
Projected traffic45,080 by 2033
Trucks38%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 20 Ml & Nfr over Little Sis Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1985.

What condition is IH 20 Ml & Nfr over Little Sis 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 September 2023.

How much traffic does IH 20 Ml & Nfr over Little Sis Creek carry?

About 33,793 vehicles per day (2019 count), of which roughly 38% are trucks.

How long is IH 20 Ml & Nfr over Little Sis Creek?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m).

Who owns IH 20 Ml & Nfr over Little Sis Creek?

It is owned by the State Highway Agency.